Home / 667,784,362.12-1,001,676,574.33-457,487,677.94

Finding the Fourth Proportional to 667,784,362.12, 1,001,676,574.33 and 457,487,677.94

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Solution

The fourth proportional to 667,784,362.12, 1,001,676,574.33 and 457,487,677.94 is: 686,231,538.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,784,362.12 : 1,001,676,574.33 = 457,487,677.94 : x
  2. Step 2: Convert to fraction form
    667,784,362.12/1,001,676,574.33 = 457,487,677.94/x
  3. Step 3: Cross multiply
    667,784,362.12x = 1,001,676,574.33 × 457,487,677.94
  4. Step 4: Simplify right side
    667,784,362.12x = 458,254,690,030,973,376
  5. Step 5: Solve for x
    x = 458,254,690,030,973,376/667,784,362.12
  6. Step 6: Final answer
    x = 686,231,538.24

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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.