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Finding the Fourth Proportional to 15,684,326,560.55, 22,013,156,987.65 and 15,684,326,560.55

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Solution

The fourth proportional to 15,684,326,560.55, 22,013,156,987.65 and 15,684,326,560.55 is: 22,013,156,987.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,684,326,560.55 : 22,013,156,987.65 = 15,684,326,560.55 : x
  2. Step 2: Convert to fraction form
    15,684,326,560.55/22,013,156,987.65 = 15,684,326,560.55/x
  3. Step 3: Cross multiply
    15,684,326,560.55x = 22,013,156,987.65 × 15,684,326,560.55
  4. Step 4: Simplify right side
    15,684,326,560.55x = 345,261,542,822,955,712,512
  5. Step 5: Solve for x
    x = 345,261,542,822,955,712,512/15,684,326,560.55
  6. Step 6: Final answer
    x = 22,013,156,987.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.