Home / 12,851,159,892.41-19,266,601,678.90-8,119,508,500.90

Finding the Fourth Proportional to 12,851,159,892.41, 19,266,601,678.90 and 8,119,508,500.90

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Solution

The fourth proportional to 12,851,159,892.41, 19,266,601,678.90 and 8,119,508,500.90 is: 12,172,857,347.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,851,159,892.41 : 19,266,601,678.90 = 8,119,508,500.90 : x
  2. Step 2: Convert to fraction form
    12,851,159,892.41/19,266,601,678.90 = 8,119,508,500.90/x
  3. Step 3: Cross multiply
    12,851,159,892.41x = 19,266,601,678.90 × 8,119,508,500.90
  4. Step 4: Simplify right side
    12,851,159,892.41x = 156,435,336,115,282,771,968
  5. Step 5: Solve for x
    x = 156,435,336,115,282,771,968/12,851,159,892.41
  6. Step 6: Final answer
    x = 12,172,857,347.12

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1.5x scale

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.