Home / 9,129,024,072.60-13,693,536,108.90-8,512,269,077.40

Finding the Fourth Proportional to 9,129,024,072.60, 13,693,536,108.90 and 8,512,269,077.40

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Solution

The fourth proportional to 9,129,024,072.60, 13,693,536,108.90 and 8,512,269,077.40 is: 12,768,403,616.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,129,024,072.60 : 13,693,536,108.90 = 8,512,269,077.40 : x
  2. Step 2: Convert to fraction form
    9,129,024,072.60/13,693,536,108.90 = 8,512,269,077.40/x
  3. Step 3: Cross multiply
    9,129,024,072.60x = 13,693,536,108.90 × 8,512,269,077.40
  4. Step 4: Simplify right side
    9,129,024,072.60x = 116,563,063,980,049,776,640
  5. Step 5: Solve for x
    x = 116,563,063,980,049,776,640/9,129,024,072.60
  6. Step 6: Final answer
    x = 12,768,403,616.10

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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.