Home / 605,115,928.40-907,547,921.40-260,080,811.60

Finding the Fourth Proportional to 605,115,928.40, 907,547,921.40 and 260,080,811.60

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Solution

The fourth proportional to 605,115,928.40, 907,547,921.40 and 260,080,811.60 is: 390,067,074.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,115,928.40 : 907,547,921.40 = 260,080,811.60 : x
  2. Step 2: Convert to fraction form
    605,115,928.40/907,547,921.40 = 260,080,811.60/x
  3. Step 3: Cross multiply
    605,115,928.40x = 907,547,921.40 × 260,080,811.60
  4. Step 4: Simplify right side
    605,115,928.40x = 236,035,799,963,604,992
  5. Step 5: Solve for x
    x = 236,035,799,963,604,992/605,115,928.40
  6. Step 6: Final answer
    x = 390,067,074.56

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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.