Home / 389,522,898,624.72-583,876,551,115.08-163,012,128,891.12

Finding the Fourth Proportional to 389,522,898,624.72, 583,876,551,115.08 and 163,012,128,891.12

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Solution

The fourth proportional to 389,522,898,624.72, 583,876,551,115.08 and 163,012,128,891.12 is: 244,347,533,721.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,522,898,624.72 : 583,876,551,115.08 = 163,012,128,891.12 : x
  2. Step 2: Convert to fraction form
    389,522,898,624.72/583,876,551,115.08 = 163,012,128,891.12/x
  3. Step 3: Cross multiply
    389,522,898,624.72x = 583,876,551,115.08 × 163,012,128,891.12
  4. Step 4: Simplify right side
    389,522,898,624.72x = 95,178,959,606,874,021,822,464
  5. Step 5: Solve for x
    x = 95,178,959,606,874,021,822,464/389,522,898,624.72
  6. Step 6: Final answer
    x = 244,347,533,721.18

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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.