Home / 487,957,920,470.55-731,936,880,705.82-173,775,669,974.55

Finding the Fourth Proportional to 487,957,920,470.55, 731,936,880,705.82 and 173,775,669,974.55

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Solution

The fourth proportional to 487,957,920,470.55, 731,936,880,705.82 and 173,775,669,974.55 is: 260,663,504,961.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,957,920,470.55 : 731,936,880,705.82 = 173,775,669,974.55 : x
  2. Step 2: Convert to fraction form
    487,957,920,470.55/731,936,880,705.82 = 173,775,669,974.55/x
  3. Step 3: Cross multiply
    487,957,920,470.55x = 731,936,880,705.82 × 173,775,669,974.55
  4. Step 4: Simplify right side
    487,957,920,470.55x = 127,192,821,823,736,123,490,304
  5. Step 5: Solve for x
    x = 127,192,821,823,736,123,490,304/487,957,920,470.55
  6. Step 6: Final answer
    x = 260,663,504,961.82

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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.