Home / 439,905,143.20-607,001,613.60-254,230,301.20

Finding the Fourth Proportional to 439,905,143.20, 607,001,613.60 and 254,230,301.20

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Solution

The fourth proportional to 439,905,143.20, 607,001,613.60 and 254,230,301.20 is: 350,798,815.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,905,143.20 : 607,001,613.60 = 254,230,301.20 : x
  2. Step 2: Convert to fraction form
    439,905,143.20/607,001,613.60 = 254,230,301.20/x
  3. Step 3: Cross multiply
    439,905,143.20x = 607,001,613.60 × 254,230,301.20
  4. Step 4: Simplify right side
    439,905,143.20x = 154,318,203,054,414,016
  5. Step 5: Solve for x
    x = 154,318,203,054,414,016/439,905,143.20
  6. Step 6: Final answer
    x = 350,798,815.24

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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.