Home / 15,822,432,641.79-21,834,155,189.76-9,392,527,466.13

Finding the Fourth Proportional to 15,822,432,641.79, 21,834,155,189.76 and 9,392,527,466.13

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Solution

The fourth proportional to 15,822,432,641.79, 21,834,155,189.76 and 9,392,527,466.13 is: 12,961,211,904.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,822,432,641.79 : 21,834,155,189.76 = 9,392,527,466.13 : x
  2. Step 2: Convert to fraction form
    15,822,432,641.79/21,834,155,189.76 = 9,392,527,466.13/x
  3. Step 3: Cross multiply
    15,822,432,641.79x = 21,834,155,189.76 × 9,392,527,466.13
  4. Step 4: Simplify right side
    15,822,432,641.79x = 205,077,902,319,565,635,584
  5. Step 5: Solve for x
    x = 205,077,902,319,565,635,584/15,822,432,641.79
  6. Step 6: Final answer
    x = 12,961,211,904.79

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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.