Home / 547,272,436.78-822,218,270.11-350,920,547.61

Finding the Fourth Proportional to 547,272,436.78, 822,218,270.11 and 350,920,547.61

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Solution

The fourth proportional to 547,272,436.78, 822,218,270.11 and 350,920,547.61 is: 527,220,569.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,272,436.78 : 822,218,270.11 = 350,920,547.61 : x
  2. Step 2: Convert to fraction form
    547,272,436.78/822,218,270.11 = 350,920,547.61/x
  3. Step 3: Cross multiply
    547,272,436.78x = 822,218,270.11 × 350,920,547.61
  4. Step 4: Simplify right side
    547,272,436.78x = 288,533,285,600,849,216
  5. Step 5: Solve for x
    x = 288,533,285,600,849,216/547,272,436.78
  6. Step 6: Final answer
    x = 527,220,569.15

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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.