Home / 311,844,996,068.20-466,961,891,612.22-215,224,668,013.35

Finding the Fourth Proportional to 311,844,996,068.20, 466,961,891,612.22 and 215,224,668,013.35

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Solution

The fourth proportional to 311,844,996,068.20, 466,961,891,612.22 and 215,224,668,013.35 is: 322,281,002,947.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,844,996,068.20 : 466,961,891,612.22 = 215,224,668,013.35 : x
  2. Step 2: Convert to fraction form
    311,844,996,068.20/466,961,891,612.22 = 215,224,668,013.35/x
  3. Step 3: Cross multiply
    311,844,996,068.20x = 466,961,891,612.22 × 215,224,668,013.35
  4. Step 4: Simplify right side
    311,844,996,068.20x = 100,501,718,097,125,972,115,456
  5. Step 5: Solve for x
    x = 100,501,718,097,125,972,115,456/311,844,996,068.20
  6. Step 6: Final answer
    x = 322,281,002,947.84

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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.