Home / 870,189,056-1,305,319,581.84-256,773,289.04

Finding the Fourth Proportional to 870,189,056, 1,305,319,581.84 and 256,773,289.04

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Solution

The fourth proportional to 870,189,056, 1,305,319,581.84 and 256,773,289.04 is: 385,170,555.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,189,056 : 1,305,319,581.84 = 256,773,289.04 : x
  2. Step 2: Convert to fraction form
    870,189,056/1,305,319,581.84 = 256,773,289.04/x
  3. Step 3: Cross multiply
    870,189,056x = 1,305,319,581.84 × 256,773,289.04
  4. Step 4: Simplify right side
    870,189,056x = 335,171,202,277,374,208
  5. Step 5: Solve for x
    x = 335,171,202,277,374,208/870,189,056
  6. Step 6: Final answer
    x = 385,170,555.72

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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.