Home / 1,319,673,323.61-1,821,150,380.19-724,996,331.25

Finding the Fourth Proportional to 1,319,673,323.61, 1,821,150,380.19 and 724,996,331.25

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Solution

The fourth proportional to 1,319,673,323.61, 1,821,150,380.19 and 724,996,331.25 is: 1,000,495,592.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,673,323.61 : 1,821,150,380.19 = 724,996,331.25 : x
  2. Step 2: Convert to fraction form
    1,319,673,323.61/1,821,150,380.19 = 724,996,331.25/x
  3. Step 3: Cross multiply
    1,319,673,323.61x = 1,821,150,380.19 × 724,996,331.25
  4. Step 4: Simplify right side
    1,319,673,323.61x = 1,320,327,344,292,292,608
  5. Step 5: Solve for x
    x = 1,320,327,344,292,292,608/1,319,673,323.61
  6. Step 6: Final answer
    x = 1,000,495,592.86

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Double scale
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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.