Home / 28,199,799,077.92-42,290,724,377.40-9,309,569,507.44

Finding the Fourth Proportional to 28,199,799,077.92, 42,290,724,377.40 and 9,309,569,507.44

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Solution

The fourth proportional to 28,199,799,077.92, 42,290,724,377.40 and 9,309,569,507.44 is: 13,961,391,605.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,199,799,077.92 : 42,290,724,377.40 = 9,309,569,507.44 : x
  2. Step 2: Convert to fraction form
    28,199,799,077.92/42,290,724,377.40 = 9,309,569,507.44/x
  3. Step 3: Cross multiply
    28,199,799,077.92x = 42,290,724,377.40 × 9,309,569,507.44
  4. Step 4: Simplify right side
    28,199,799,077.92x = 393,708,438,111,392,563,200
  5. Step 5: Solve for x
    x = 393,708,438,111,392,563,200/28,199,799,077.92
  6. Step 6: Final answer
    x = 13,961,391,605.08

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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.