Home / 776,841,098.40-1,165,709,545.20-292,514,493.60

Finding the Fourth Proportional to 776,841,098.40, 1,165,709,545.20 and 292,514,493.60

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Solution

The fourth proportional to 776,841,098.40, 1,165,709,545.20 and 292,514,493.60 is: 438,940,393.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,841,098.40 : 1,165,709,545.20 = 292,514,493.60 : x
  2. Step 2: Convert to fraction form
    776,841,098.40/1,165,709,545.20 = 292,514,493.60/x
  3. Step 3: Cross multiply
    776,841,098.40x = 1,165,709,545.20 × 292,514,493.60
  4. Step 4: Simplify right side
    776,841,098.40x = 340,986,937,298,864,384
  5. Step 5: Solve for x
    x = 340,986,937,298,864,384/776,841,098.40
  6. Step 6: Final answer
    x = 438,940,393.35

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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.