Home / 13,349,448,077.90-20,024,172,116.85-8,119,312,810.70

Finding the Fourth Proportional to 13,349,448,077.90, 20,024,172,116.85 and 8,119,312,810.70

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Solution

The fourth proportional to 13,349,448,077.90, 20,024,172,116.85 and 8,119,312,810.70 is: 12,178,969,216.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,349,448,077.90 : 20,024,172,116.85 = 8,119,312,810.70 : x
  2. Step 2: Convert to fraction form
    13,349,448,077.90/20,024,172,116.85 = 8,119,312,810.70/x
  3. Step 3: Cross multiply
    13,349,448,077.90x = 20,024,172,116.85 × 8,119,312,810.70
  4. Step 4: Simplify right side
    13,349,448,077.90x = 162,582,517,192,001,912,832
  5. Step 5: Solve for x
    x = 162,582,517,192,001,912,832/13,349,448,077.90
  6. Step 6: Final answer
    x = 12,178,969,216.05

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Double scale
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Similar ratio
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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.