Home / 1,011,137,982,934.10-1,395,474,418,038.70-615,203,139,970.72

Finding the Fourth Proportional to 1,011,137,982,934.10, 1,395,474,418,038.70 and 615,203,139,970.72

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Solution

The fourth proportional to 1,011,137,982,934.10, 1,395,474,418,038.70 and 615,203,139,970.72 is: 849,043,610,482.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,137,982,934.10 : 1,395,474,418,038.70 = 615,203,139,970.72 : x
  2. Step 2: Convert to fraction form
    1,011,137,982,934.10/1,395,474,418,038.70 = 615,203,139,970.72/x
  3. Step 3: Cross multiply
    1,011,137,982,934.10x = 1,395,474,418,038.70 × 615,203,139,970.72
  4. Step 4: Simplify right side
    1,011,137,982,934.10x = 858,500,243,726,221,323,534,336
  5. Step 5: Solve for x
    x = 858,500,243,726,221,323,534,336/1,011,137,982,934.10
  6. Step 6: Final answer
    x = 849,043,610,482.36

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Double scale
Find fourth proportional to 1,011,137,982,935.10, 1,395,474,418,040.08 and 615,203,139,971.72
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.