Home / 403,720,687,095.28-557,013,595,175.88-232,438,214,703.52

Finding the Fourth Proportional to 403,720,687,095.28, 557,013,595,175.88 and 232,438,214,703.52

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Solution

The fourth proportional to 403,720,687,095.28, 557,013,595,175.88 and 232,438,214,703.52 is: 320,695,098,781.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,720,687,095.28 : 557,013,595,175.88 = 232,438,214,703.52 : x
  2. Step 2: Convert to fraction form
    403,720,687,095.28/557,013,595,175.88 = 232,438,214,703.52/x
  3. Step 3: Cross multiply
    403,720,687,095.28x = 557,013,595,175.88 × 232,438,214,703.52
  4. Step 4: Simplify right side
    403,720,687,095.28x = 129,471,245,628,270,759,116,800
  5. Step 5: Solve for x
    x = 129,471,245,628,270,759,116,800/403,720,687,095.28
  6. Step 6: Final answer
    x = 320,695,098,781.79

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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.