Home / 539,488,717.60-809,233,076.40-403,439,821.60

Finding the Fourth Proportional to 539,488,717.60, 809,233,076.40 and 403,439,821.60

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Solution

The fourth proportional to 539,488,717.60, 809,233,076.40 and 403,439,821.60 is: 605,159,732.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,488,717.60 : 809,233,076.40 = 403,439,821.60 : x
  2. Step 2: Convert to fraction form
    539,488,717.60/809,233,076.40 = 403,439,821.60/x
  3. Step 3: Cross multiply
    539,488,717.60x = 809,233,076.40 × 403,439,821.60
  4. Step 4: Simplify right side
    539,488,717.60x = 326,476,847,975,635,200
  5. Step 5: Solve for x
    x = 326,476,847,975,635,200/539,488,717.60
  6. Step 6: Final answer
    x = 605,159,732.40

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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.