Home / 822,547,647.59-1,234,025,682.51-408,218,922.95

Finding the Fourth Proportional to 822,547,647.59, 1,234,025,682.51 and 408,218,922.95

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Solution

The fourth proportional to 822,547,647.59, 1,234,025,682.51 and 408,218,922.95 is: 612,429,731.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,547,647.59 : 1,234,025,682.51 = 408,218,922.95 : x
  2. Step 2: Convert to fraction form
    822,547,647.59/1,234,025,682.51 = 408,218,922.95/x
  3. Step 3: Cross multiply
    822,547,647.59x = 1,234,025,682.51 × 408,218,922.95
  4. Step 4: Simplify right side
    822,547,647.59x = 503,752,635,000,700,736
  5. Step 5: Solve for x
    x = 503,752,635,000,700,736/822,547,647.59
  6. Step 6: Final answer
    x = 612,429,731.55

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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.