Home / 556,480,488,538.05-834,242,666,766.15-193,398,981,791.38

Finding the Fourth Proportional to 556,480,488,538.05, 834,242,666,766.15 and 193,398,981,791.38

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Solution

The fourth proportional to 556,480,488,538.05, 834,242,666,766.15 and 193,398,981,791.38 is: 289,932,325,827.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,480,488,538.05 : 834,242,666,766.15 = 193,398,981,791.38 : x
  2. Step 2: Convert to fraction form
    556,480,488,538.05/834,242,666,766.15 = 193,398,981,791.38/x
  3. Step 3: Cross multiply
    556,480,488,538.05x = 834,242,666,766.15 × 193,398,981,791.38
  4. Step 4: Simplify right side
    556,480,488,538.05x = 161,341,682,319,498,932,125,696
  5. Step 5: Solve for x
    x = 161,341,682,319,498,932,125,696/556,480,488,538.05
  6. Step 6: Final answer
    x = 289,932,325,827.57

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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.