Home / 1,680,027,787.57-2,318,438,573.77-927,341,105.11

Finding the Fourth Proportional to 1,680,027,787.57, 2,318,438,573.77 and 927,341,105.11

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Solution

The fourth proportional to 1,680,027,787.57, 2,318,438,573.77 and 927,341,105.11 is: 1,279,730,850.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,027,787.57 : 2,318,438,573.77 = 927,341,105.11 : x
  2. Step 2: Convert to fraction form
    1,680,027,787.57/2,318,438,573.77 = 927,341,105.11/x
  3. Step 3: Cross multiply
    1,680,027,787.57x = 2,318,438,573.77 × 927,341,105.11
  4. Step 4: Simplify right side
    1,680,027,787.57x = 2,149,983,389,123,287,552
  5. Step 5: Solve for x
    x = 2,149,983,389,123,287,552/1,680,027,787.57
  6. Step 6: Final answer
    x = 1,279,730,850.30

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Double scale
Find fourth proportional to 1,680,027,788.57, 2,318,438,575.15 and 927,341,106.11
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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.