Home / 9,129,024,006.10-13,693,536,009.15-8,512,269,010.90

Finding the Fourth Proportional to 9,129,024,006.10, 13,693,536,009.15 and 8,512,269,010.90

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Solution

The fourth proportional to 9,129,024,006.10, 13,693,536,009.15 and 8,512,269,010.90 is: 12,768,403,516.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,129,024,006.10 : 13,693,536,009.15 = 8,512,269,010.90 : x
  2. Step 2: Convert to fraction form
    9,129,024,006.10/13,693,536,009.15 = 8,512,269,010.90/x
  3. Step 3: Cross multiply
    9,129,024,006.10x = 13,693,536,009.15 × 8,512,269,010.90
  4. Step 4: Simplify right side
    9,129,024,006.10x = 116,563,062,220,330,795,008
  5. Step 5: Solve for x
    x = 116,563,062,220,330,795,008/9,129,024,006.10
  6. Step 6: Final answer
    x = 12,768,403,516.35

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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.