Home / 15,822,432,638.80-21,834,155,185.63-9,392,527,463.12

Finding the Fourth Proportional to 15,822,432,638.80, 21,834,155,185.63 and 9,392,527,463.12

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Solution

The fourth proportional to 15,822,432,638.80, 21,834,155,185.63 and 9,392,527,463.12 is: 12,961,211,900.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,822,432,638.80 : 21,834,155,185.63 = 9,392,527,463.12 : x
  2. Step 2: Convert to fraction form
    15,822,432,638.80/21,834,155,185.63 = 9,392,527,463.12/x
  3. Step 3: Cross multiply
    15,822,432,638.80x = 21,834,155,185.63 × 9,392,527,463.12
  4. Step 4: Simplify right side
    15,822,432,638.80x = 205,077,902,215,125,958,656
  5. Step 5: Solve for x
    x = 205,077,902,215,125,958,656/15,822,432,638.80
  6. Step 6: Final answer
    x = 12,961,211,900.64

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Double scale
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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.