Home / 667,784,363.12-1,001,676,575.83-457,487,678.94

Finding the Fourth Proportional to 667,784,363.12, 1,001,676,575.83 and 457,487,678.94

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Solution

The fourth proportional to 667,784,363.12, 1,001,676,575.83 and 457,487,678.94 is: 686,231,539.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,784,363.12 : 1,001,676,575.83 = 457,487,678.94 : x
  2. Step 2: Convert to fraction form
    667,784,363.12/1,001,676,575.83 = 457,487,678.94/x
  3. Step 3: Cross multiply
    667,784,363.12x = 1,001,676,575.83 × 457,487,678.94
  4. Step 4: Simplify right side
    667,784,363.12x = 458,254,691,725,033,600
  5. Step 5: Solve for x
    x = 458,254,691,725,033,600/667,784,363.12
  6. Step 6: Final answer
    x = 686,231,539.75

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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.