Home / 605,566,901.40-908,775,504.90-260,767,980.60

Finding the Fourth Proportional to 605,566,901.40, 908,775,504.90 and 260,767,980.60

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Solution

The fourth proportional to 605,566,901.40, 908,775,504.90 and 260,767,980.60 is: 391,335,049.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,566,901.40 : 908,775,504.90 = 260,767,980.60 : x
  2. Step 2: Convert to fraction form
    605,566,901.40/908,775,504.90 = 260,767,980.60/x
  3. Step 3: Cross multiply
    605,566,901.40x = 908,775,504.90 × 260,767,980.60
  4. Step 4: Simplify right side
    605,566,901.40x = 236,979,553,231,518,400
  5. Step 5: Solve for x
    x = 236,979,553,231,518,400/605,566,901.40
  6. Step 6: Final answer
    x = 391,335,049.33

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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.