Home / 386,552,508.38-579,919,550.39-127,767,700.93

Finding the Fourth Proportional to 386,552,508.38, 579,919,550.39 and 127,767,700.93

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Solution

The fourth proportional to 386,552,508.38, 579,919,550.39 and 127,767,700.93 is: 191,681,559.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,552,508.38 : 579,919,550.39 = 127,767,700.93 : x
  2. Step 2: Convert to fraction form
    386,552,508.38/579,919,550.39 = 127,767,700.93/x
  3. Step 3: Cross multiply
    386,552,508.38x = 579,919,550.39 × 127,767,700.93
  4. Step 4: Simplify right side
    386,552,508.38x = 74,094,987,676,559,200
  5. Step 5: Solve for x
    x = 74,094,987,676,559,200/386,552,508.38
  6. Step 6: Final answer
    x = 191,681,559.61

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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.