Home / 1,011,137,982,927.90-1,395,474,418,030-615,203,139,964.47

Finding the Fourth Proportional to 1,011,137,982,927.90, 1,395,474,418,030 and 615,203,139,964.47

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Solution

The fourth proportional to 1,011,137,982,927.90, 1,395,474,418,030 and 615,203,139,964.47 is: 849,043,610,473.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,137,982,927.90 : 1,395,474,418,030 = 615,203,139,964.47 : x
  2. Step 2: Convert to fraction form
    1,011,137,982,927.90/1,395,474,418,030 = 615,203,139,964.47/x
  3. Step 3: Cross multiply
    1,011,137,982,927.90x = 1,395,474,418,030 × 615,203,139,964.47
  4. Step 4: Simplify right side
    1,011,137,982,927.90x = 858,500,243,712,147,386,793,984
  5. Step 5: Solve for x
    x = 858,500,243,712,147,386,793,984/1,011,137,982,927.90
  6. Step 6: Final answer
    x = 849,043,610,473.65

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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.