Home / 260,760,390,015.90-391,140,585,023.85-74,645,500,287.90

Finding the Fourth Proportional to 260,760,390,015.90, 391,140,585,023.85 and 74,645,500,287.90

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Solution

The fourth proportional to 260,760,390,015.90, 391,140,585,023.85 and 74,645,500,287.90 is: 111,968,250,431.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,760,390,015.90 : 391,140,585,023.85 = 74,645,500,287.90 : x
  2. Step 2: Convert to fraction form
    260,760,390,015.90/391,140,585,023.85 = 74,645,500,287.90/x
  3. Step 3: Cross multiply
    260,760,390,015.90x = 391,140,585,023.85 × 74,645,500,287.90
  4. Step 4: Simplify right side
    260,760,390,015.90x = 29,196,884,652,007,163,428,864
  5. Step 5: Solve for x
    x = 29,196,884,652,007,163,428,864/260,760,390,015.90
  6. Step 6: Final answer
    x = 111,968,250,431.85

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1.5x scale

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.