Home / 21,417,827,306.52-29,557,319,445.96-11,902,780,096.68

Finding the Fourth Proportional to 21,417,827,306.52, 29,557,319,445.96 and 11,902,780,096.68

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Solution

The fourth proportional to 21,417,827,306.52, 29,557,319,445.96 and 11,902,780,096.68 is: 16,426,235,424.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,417,827,306.52 : 29,557,319,445.96 = 11,902,780,096.68 : x
  2. Step 2: Convert to fraction form
    21,417,827,306.52/29,557,319,445.96 = 11,902,780,096.68/x
  3. Step 3: Cross multiply
    21,417,827,306.52x = 29,557,319,445.96 × 11,902,780,096.68
  4. Step 4: Simplify right side
    21,417,827,306.52x = 351,814,273,612,585,435,136
  5. Step 5: Solve for x
    x = 351,814,273,612,585,435,136/21,417,827,306.52
  6. Step 6: Final answer
    x = 16,426,235,424.24

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1.5x scale

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.