Home / 667,784,358.80-1,001,676,569.34-457,487,674.61

Finding the Fourth Proportional to 667,784,358.80, 1,001,676,569.34 and 457,487,674.61

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Solution

The fourth proportional to 667,784,358.80, 1,001,676,569.34 and 457,487,674.61 is: 686,231,533.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,784,358.80 : 1,001,676,569.34 = 457,487,674.61 : x
  2. Step 2: Convert to fraction form
    667,784,358.80/1,001,676,569.34 = 457,487,674.61/x
  3. Step 3: Cross multiply
    667,784,358.80x = 1,001,676,569.34 × 457,487,674.61
  4. Step 4: Simplify right side
    667,784,358.80x = 458,254,684,423,187,072
  5. Step 5: Solve for x
    x = 458,254,684,423,187,072/667,784,358.80
  6. Step 6: Final answer
    x = 686,231,533.26

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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.