Home / 605,566,920.40-908,775,533.40-260,767,999.60

Finding the Fourth Proportional to 605,566,920.40, 908,775,533.40 and 260,767,999.60

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Solution

The fourth proportional to 605,566,920.40, 908,775,533.40 and 260,767,999.60 is: 391,335,077.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,566,920.40 : 908,775,533.40 = 260,767,999.60 : x
  2. Step 2: Convert to fraction form
    605,566,920.40/908,775,533.40 = 260,767,999.60/x
  3. Step 3: Cross multiply
    605,566,920.40x = 908,775,533.40 × 260,767,999.60
  4. Step 4: Simplify right side
    605,566,920.40x = 236,979,577,930,140,960
  5. Step 5: Solve for x
    x = 236,979,577,930,140,960/605,566,920.40
  6. Step 6: Final answer
    x = 391,335,077.84

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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.