Home / 15,489,834,718.59-23,186,655,781.65-8,389,682,968.95

Finding the Fourth Proportional to 15,489,834,718.59, 23,186,655,781.65 and 8,389,682,968.95

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Solution

The fourth proportional to 15,489,834,718.59, 23,186,655,781.65 and 8,389,682,968.95 is: 12,558,474,293.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,489,834,718.59 : 23,186,655,781.65 = 8,389,682,968.95 : x
  2. Step 2: Convert to fraction form
    15,489,834,718.59/23,186,655,781.65 = 8,389,682,968.95/x
  3. Step 3: Cross multiply
    15,489,834,718.59x = 23,186,655,781.65 × 8,389,682,968.95
  4. Step 4: Simplify right side
    15,489,834,718.59x = 194,528,691,118,215,069,696
  5. Step 5: Solve for x
    x = 194,528,691,118,215,069,696/15,489,834,718.59
  6. Step 6: Final answer
    x = 12,558,474,293.13

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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.