Home / 477,042,402.92-715,579,547.67-131,967,132.80

Finding the Fourth Proportional to 477,042,402.92, 715,579,547.67 and 131,967,132.80

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Solution

The fourth proportional to 477,042,402.92, 715,579,547.67 and 131,967,132.80 is: 197,955,109.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,042,402.92 : 715,579,547.67 = 131,967,132.80 : x
  2. Step 2: Convert to fraction form
    477,042,402.92/715,579,547.67 = 131,967,132.80/x
  3. Step 3: Cross multiply
    477,042,402.92x = 715,579,547.67 × 131,967,132.80
  4. Step 4: Simplify right side
    477,042,402.92x = 94,432,981,192,752,912
  5. Step 5: Solve for x
    x = 94,432,981,192,752,912/477,042,402.92
  6. Step 6: Final answer
    x = 197,955,109.68

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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.