Home / 403,708,342.60-605,845,949.10-173,842,395.40

Finding the Fourth Proportional to 403,708,342.60, 605,845,949.10 and 173,842,395.40

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Solution

The fourth proportional to 403,708,342.60, 605,845,949.10 and 173,842,395.40 is: 260,885,644.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,708,342.60 : 605,845,949.10 = 173,842,395.40 : x
  2. Step 2: Convert to fraction form
    403,708,342.60/605,845,949.10 = 173,842,395.40/x
  3. Step 3: Cross multiply
    403,708,342.60x = 605,845,949.10 × 173,842,395.40
  4. Step 4: Simplify right side
    403,708,342.60x = 105,321,711,034,930,480
  5. Step 5: Solve for x
    x = 105,321,711,034,930,480/403,708,342.60
  6. Step 6: Final answer
    x = 260,885,644.22

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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.