Home / 757,781,138.06-1,045,726,841.39-423,258,542.41

Finding the Fourth Proportional to 757,781,138.06, 1,045,726,841.39 and 423,258,542.41

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Solution

The fourth proportional to 757,781,138.06, 1,045,726,841.39 and 423,258,542.41 is: 584,090,572.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,781,138.06 : 1,045,726,841.39 = 423,258,542.41 : x
  2. Step 2: Convert to fraction form
    757,781,138.06/1,045,726,841.39 = 423,258,542.41/x
  3. Step 3: Cross multiply
    757,781,138.06x = 1,045,726,841.39 × 423,258,542.41
  4. Step 4: Simplify right side
    757,781,138.06x = 442,612,818,644,188,544
  5. Step 5: Solve for x
    x = 442,612,818,644,188,544/757,781,138.06
  6. Step 6: Final answer
    x = 584,090,572.35

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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.