Home / 657,940,379.84-985,872,337.68-242,845,874.72

Finding the Fourth Proportional to 657,940,379.84, 985,872,337.68 and 242,845,874.72

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Solution

The fourth proportional to 657,940,379.84, 985,872,337.68 and 242,845,874.72 is: 363,885,600.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,940,379.84 : 985,872,337.68 = 242,845,874.72 : x
  2. Step 2: Convert to fraction form
    657,940,379.84/985,872,337.68 = 242,845,874.72/x
  3. Step 3: Cross multiply
    657,940,379.84x = 985,872,337.68 × 242,845,874.72
  4. Step 4: Simplify right side
    657,940,379.84x = 239,415,030,206,150,816
  5. Step 5: Solve for x
    x = 239,415,030,206,150,816/657,940,379.84
  6. Step 6: Final answer
    x = 363,885,600.49

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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.