Home / 605,340,646.20-908,010,969.30-168,708,720.60

Finding the Fourth Proportional to 605,340,646.20, 908,010,969.30 and 168,708,720.60

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Solution

The fourth proportional to 605,340,646.20, 908,010,969.30 and 168,708,720.60 is: 253,063,080.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,340,646.20 : 908,010,969.30 = 168,708,720.60 : x
  2. Step 2: Convert to fraction form
    605,340,646.20/908,010,969.30 = 168,708,720.60/x
  3. Step 3: Cross multiply
    605,340,646.20x = 908,010,969.30 × 168,708,720.60
  4. Step 4: Simplify right side
    605,340,646.20x = 153,189,368,921,368,864
  5. Step 5: Solve for x
    x = 153,189,368,921,368,864/605,340,646.20
  6. Step 6: Final answer
    x = 253,063,080.90

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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.