Home / 417,748,276.80-626,406,158.16-187,519,112.64

Finding the Fourth Proportional to 417,748,276.80, 626,406,158.16 and 187,519,112.64

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Solution

The fourth proportional to 417,748,276.80, 626,406,158.16 and 187,519,112.64 is: 281,181,595.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,748,276.80 : 626,406,158.16 = 187,519,112.64 : x
  2. Step 2: Convert to fraction form
    417,748,276.80/626,406,158.16 = 187,519,112.64/x
  3. Step 3: Cross multiply
    417,748,276.80x = 626,406,158.16 × 187,519,112.64
  4. Step 4: Simplify right side
    417,748,276.80x = 117,463,126,930,394,672
  5. Step 5: Solve for x
    x = 117,463,126,930,394,672/417,748,276.80
  6. Step 6: Final answer
    x = 281,181,595.36

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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.