Home / 29,462,402,876.46-40,658,132,279.78-15,914,039,965.62

Finding the Fourth Proportional to 29,462,402,876.46, 40,658,132,279.78 and 15,914,039,965.62

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Solution

The fourth proportional to 29,462,402,876.46, 40,658,132,279.78 and 15,914,039,965.62 is: 21,961,383,962.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,462,402,876.46 : 40,658,132,279.78 = 15,914,039,965.62 : x
  2. Step 2: Convert to fraction form
    29,462,402,876.46/40,658,132,279.78 = 15,914,039,965.62/x
  3. Step 3: Cross multiply
    29,462,402,876.46x = 40,658,132,279.78 × 15,914,039,965.62
  4. Step 4: Simplify right side
    29,462,402,876.46x = 647,035,142,027,804,016,640
  5. Step 5: Solve for x
    x = 647,035,142,027,804,016,640/29,462,402,876.46
  6. Step 6: Final answer
    x = 21,961,383,962.50

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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.