Home / 278,047,245.60-417,070,868.40-265,292,661.60

Finding the Fourth Proportional to 278,047,245.60, 417,070,868.40 and 265,292,661.60

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Solution

The fourth proportional to 278,047,245.60, 417,070,868.40 and 265,292,661.60 is: 397,938,992.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,047,245.60 : 417,070,868.40 = 265,292,661.60 : x
  2. Step 2: Convert to fraction form
    278,047,245.60/417,070,868.40 = 265,292,661.60/x
  3. Step 3: Cross multiply
    278,047,245.60x = 417,070,868.40 × 265,292,661.60
  4. Step 4: Simplify right side
    278,047,245.60x = 110,645,840,753,659,328
  5. Step 5: Solve for x
    x = 110,645,840,753,659,328/278,047,245.60
  6. Step 6: Final answer
    x = 397,938,992.40

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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.