Home / 663,146,140.80-994,719,211.20-622,802,179.20

Finding the Fourth Proportional to 663,146,140.80, 994,719,211.20 and 622,802,179.20

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Solution

The fourth proportional to 663,146,140.80, 994,719,211.20 and 622,802,179.20 is: 934,203,268.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,146,140.80 : 994,719,211.20 = 622,802,179.20 : x
  2. Step 2: Convert to fraction form
    663,146,140.80/994,719,211.20 = 622,802,179.20/x
  3. Step 3: Cross multiply
    663,146,140.80x = 994,719,211.20 × 622,802,179.20
  4. Step 4: Simplify right side
    663,146,140.80x = 619,513,292,427,465,088
  5. Step 5: Solve for x
    x = 619,513,292,427,465,088/663,146,140.80
  6. Step 6: Final answer
    x = 934,203,268.80

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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.