Home / 667,784,361.36-1,001,676,573.20-457,487,677.18

Finding the Fourth Proportional to 667,784,361.36, 1,001,676,573.20 and 457,487,677.18

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Solution

The fourth proportional to 667,784,361.36, 1,001,676,573.20 and 457,487,677.18 is: 686,231,537.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,784,361.36 : 1,001,676,573.20 = 457,487,677.18 : x
  2. Step 2: Convert to fraction form
    667,784,361.36/1,001,676,573.20 = 457,487,677.18/x
  3. Step 3: Cross multiply
    667,784,361.36x = 1,001,676,573.20 × 457,487,677.18
  4. Step 4: Simplify right side
    667,784,361.36x = 458,254,688,754,098,624
  5. Step 5: Solve for x
    x = 458,254,688,754,098,624/667,784,361.36
  6. Step 6: Final answer
    x = 686,231,537.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.