Home / 605,340,661.20-908,010,991.80-168,708,735.60

Finding the Fourth Proportional to 605,340,661.20, 908,010,991.80 and 168,708,735.60

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Solution

The fourth proportional to 605,340,661.20, 908,010,991.80 and 168,708,735.60 is: 253,063,103.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,340,661.20 : 908,010,991.80 = 168,708,735.60 : x
  2. Step 2: Convert to fraction form
    605,340,661.20/908,010,991.80 = 168,708,735.60/x
  3. Step 3: Cross multiply
    605,340,661.20x = 908,010,991.80 × 168,708,735.60
  4. Step 4: Simplify right side
    605,340,661.20x = 153,189,386,337,479,968
  5. Step 5: Solve for x
    x = 153,189,386,337,479,968/605,340,661.20
  6. Step 6: Final answer
    x = 253,063,103.40

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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.