Home / 864,289,612.70-1,192,719,723.82-473,149,036.70

Finding the Fourth Proportional to 864,289,612.70, 1,192,719,723.82 and 473,149,036.70

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Solution

The fourth proportional to 864,289,612.70, 1,192,719,723.82 and 473,149,036.70 is: 652,945,702.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,289,612.70 : 1,192,719,723.82 = 473,149,036.70 : x
  2. Step 2: Convert to fraction form
    864,289,612.70/1,192,719,723.82 = 473,149,036.70/x
  3. Step 3: Cross multiply
    864,289,612.70x = 1,192,719,723.82 × 473,149,036.70
  4. Step 4: Simplify right side
    864,289,612.70x = 564,334,188,371,376,640
  5. Step 5: Solve for x
    x = 564,334,188,371,376,640/864,289,612.70
  6. Step 6: Final answer
    x = 652,945,702.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.