Home / 15,136,152,126.12-20,736,181,789.29-14,570,246,572.20

Finding the Fourth Proportional to 15,136,152,126.12, 20,736,181,789.29 and 14,570,246,572.20

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Solution

The fourth proportional to 15,136,152,126.12, 20,736,181,789.29 and 14,570,246,572.20 is: 19,960,904,139.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,136,152,126.12 : 20,736,181,789.29 = 14,570,246,572.20 : x
  2. Step 2: Convert to fraction form
    15,136,152,126.12/20,736,181,789.29 = 14,570,246,572.20/x
  3. Step 3: Cross multiply
    15,136,152,126.12x = 20,736,181,789.29 × 14,570,246,572.20
  4. Step 4: Simplify right side
    15,136,152,126.12x = 302,131,281,635,918,741,504
  5. Step 5: Solve for x
    x = 302,131,281,635,918,741,504/15,136,152,126.12
  6. Step 6: Final answer
    x = 19,960,904,139.87

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.