Home / 10,123,941,379.78-15,180,376,114.77-8,038,812,022.90

Finding the Fourth Proportional to 10,123,941,379.78, 15,180,376,114.77 and 8,038,812,022.90

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Solution

The fourth proportional to 10,123,941,379.78, 15,180,376,114.77 and 8,038,812,022.90 is: 12,053,822,266.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,123,941,379.78 : 15,180,376,114.77 = 8,038,812,022.90 : x
  2. Step 2: Convert to fraction form
    10,123,941,379.78/15,180,376,114.77 = 8,038,812,022.90/x
  3. Step 3: Cross multiply
    10,123,941,379.78x = 15,180,376,114.77 × 8,038,812,022.90
  4. Step 4: Simplify right side
    10,123,941,379.78x = 122,032,190,023,557,070,848
  5. Step 5: Solve for x
    x = 122,032,190,023,557,070,848/10,123,941,379.78
  6. Step 6: Final answer
    x = 12,053,822,266.03

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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.