Home / 992,118,508.72-1,488,181,662.75-401,919,897.04

Finding the Fourth Proportional to 992,118,508.72, 1,488,181,662.75 and 401,919,897.04

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Solution

The fourth proportional to 992,118,508.72, 1,488,181,662.75 and 401,919,897.04 is: 602,881,425.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,118,508.72 : 1,488,181,662.75 = 401,919,897.04 : x
  2. Step 2: Convert to fraction form
    992,118,508.72/1,488,181,662.75 = 401,919,897.04/x
  3. Step 3: Cross multiply
    992,118,508.72x = 1,488,181,662.75 × 401,919,897.04
  4. Step 4: Simplify right side
    992,118,508.72x = 598,129,820,669,296,000
  5. Step 5: Solve for x
    x = 598,129,820,669,296,000/992,118,508.72
  6. Step 6: Final answer
    x = 602,881,425.37

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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.