Home / 367,043,999.60-550,565,999.40-257,992,306.40

Finding the Fourth Proportional to 367,043,999.60, 550,565,999.40 and 257,992,306.40

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Solution

The fourth proportional to 367,043,999.60, 550,565,999.40 and 257,992,306.40 is: 386,988,459.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,043,999.60 : 550,565,999.40 = 257,992,306.40 : x
  2. Step 2: Convert to fraction form
    367,043,999.60/550,565,999.40 = 257,992,306.40/x
  3. Step 3: Cross multiply
    367,043,999.60x = 550,565,999.40 × 257,992,306.40
  4. Step 4: Simplify right side
    367,043,999.60x = 142,041,792,010,627,008
  5. Step 5: Solve for x
    x = 142,041,792,010,627,008/367,043,999.60
  6. Step 6: Final answer
    x = 386,988,459.60

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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.