Home / 870,189,048-1,305,319,569.84-256,773,281.04

Finding the Fourth Proportional to 870,189,048, 1,305,319,569.84 and 256,773,281.04

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Solution

The fourth proportional to 870,189,048, 1,305,319,569.84 and 256,773,281.04 is: 385,170,543.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,189,048 : 1,305,319,569.84 = 256,773,281.04 : x
  2. Step 2: Convert to fraction form
    870,189,048/1,305,319,569.84 = 256,773,281.04/x
  3. Step 3: Cross multiply
    870,189,048x = 1,305,319,569.84 × 256,773,281.04
  4. Step 4: Simplify right side
    870,189,048x = 335,171,188,753,538,176
  5. Step 5: Solve for x
    x = 335,171,188,753,538,176/870,189,048
  6. Step 6: Final answer
    x = 385,170,543.72

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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.