Home / 20,702,017,316.60-31,053,025,974.90-8,289,256,167.80

Finding the Fourth Proportional to 20,702,017,316.60, 31,053,025,974.90 and 8,289,256,167.80

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Solution

The fourth proportional to 20,702,017,316.60, 31,053,025,974.90 and 8,289,256,167.80 is: 12,433,884,251.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,702,017,316.60 : 31,053,025,974.90 = 8,289,256,167.80 : x
  2. Step 2: Convert to fraction form
    20,702,017,316.60/31,053,025,974.90 = 8,289,256,167.80/x
  3. Step 3: Cross multiply
    20,702,017,316.60x = 31,053,025,974.90 × 8,289,256,167.80
  4. Step 4: Simplify right side
    20,702,017,316.60x = 257,406,487,091,293,454,336
  5. Step 5: Solve for x
    x = 257,406,487,091,293,454,336/20,702,017,316.60
  6. Step 6: Final answer
    x = 12,433,884,251.70

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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.