Home / 1,011,137,982,938.50-1,395,474,418,044.70-615,203,139,975.09

Finding the Fourth Proportional to 1,011,137,982,938.50, 1,395,474,418,044.70 and 615,203,139,975.09

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Solution

The fourth proportional to 1,011,137,982,938.50, 1,395,474,418,044.70 and 615,203,139,975.09 is: 849,043,610,488.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,137,982,938.50 : 1,395,474,418,044.70 = 615,203,139,975.09 : x
  2. Step 2: Convert to fraction form
    1,011,137,982,938.50/1,395,474,418,044.70 = 615,203,139,975.09/x
  3. Step 3: Cross multiply
    1,011,137,982,938.50x = 1,395,474,418,044.70 × 615,203,139,975.09
  4. Step 4: Simplify right side
    1,011,137,982,938.50x = 858,500,243,736,010,761,961,472
  5. Step 5: Solve for x
    x = 858,500,243,736,010,761,961,472/1,011,137,982,938.50
  6. Step 6: Final answer
    x = 849,043,610,488.35

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Double scale
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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.