Home / 29,154,926,136.60-40,233,597,764.58-15,788,613,392.28

Finding the Fourth Proportional to 29,154,926,136.60, 40,233,597,764.58 and 15,788,613,392.28

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Solution

The fourth proportional to 29,154,926,136.60, 40,233,597,764.58 and 15,788,613,392.28 is: 21,788,178,008.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,154,926,136.60 : 40,233,597,764.58 = 15,788,613,392.28 : x
  2. Step 2: Convert to fraction form
    29,154,926,136.60/40,233,597,764.58 = 15,788,613,392.28/x
  3. Step 3: Cross multiply
    29,154,926,136.60x = 40,233,597,764.58 × 15,788,613,392.28
  4. Step 4: Simplify right side
    29,154,926,136.60x = 635,232,720,485,454,577,664
  5. Step 5: Solve for x
    x = 635,232,720,485,454,577,664/29,154,926,136.60
  6. Step 6: Final answer
    x = 21,788,178,008.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.