Home / 9,129,024,129.10-13,693,536,193.65-8,512,269,133.90

Finding the Fourth Proportional to 9,129,024,129.10, 13,693,536,193.65 and 8,512,269,133.90

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Solution

The fourth proportional to 9,129,024,129.10, 13,693,536,193.65 and 8,512,269,133.90 is: 12,768,403,700.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,129,024,129.10 : 13,693,536,193.65 = 8,512,269,133.90 : x
  2. Step 2: Convert to fraction form
    9,129,024,129.10/13,693,536,193.65 = 8,512,269,133.90/x
  3. Step 3: Cross multiply
    9,129,024,129.10x = 13,693,536,193.65 × 8,512,269,133.90
  4. Step 4: Simplify right side
    9,129,024,129.10x = 116,563,065,475,149,381,632
  5. Step 5: Solve for x
    x = 116,563,065,475,149,381,632/9,129,024,129.10
  6. Step 6: Final answer
    x = 12,768,403,700.85

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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.