Home / 667,784,359.10-1,001,676,569.78-457,487,674.91

Finding the Fourth Proportional to 667,784,359.10, 1,001,676,569.78 and 457,487,674.91

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Solution

The fourth proportional to 667,784,359.10, 1,001,676,569.78 and 457,487,674.91 is: 686,231,533.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,784,359.10 : 1,001,676,569.78 = 457,487,674.91 : x
  2. Step 2: Convert to fraction form
    667,784,359.10/1,001,676,569.78 = 457,487,674.91/x
  3. Step 3: Cross multiply
    667,784,359.10x = 1,001,676,569.78 × 457,487,674.91
  4. Step 4: Simplify right side
    667,784,359.10x = 458,254,684,913,180,736
  5. Step 5: Solve for x
    x = 458,254,684,913,180,736/667,784,359.10
  6. Step 6: Final answer
    x = 686,231,533.69

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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.