Home / 278,205,590.40-417,308,385.60-174,741,244.80

Finding the Fourth Proportional to 278,205,590.40, 417,308,385.60 and 174,741,244.80

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Solution

The fourth proportional to 278,205,590.40, 417,308,385.60 and 174,741,244.80 is: 262,111,867.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,205,590.40 : 417,308,385.60 = 174,741,244.80 : x
  2. Step 2: Convert to fraction form
    278,205,590.40/417,308,385.60 = 174,741,244.80/x
  3. Step 3: Cross multiply
    278,205,590.40x = 417,308,385.60 × 174,741,244.80
  4. Step 4: Simplify right side
    278,205,590.40x = 72,920,986,765,222,400
  5. Step 5: Solve for x
    x = 72,920,986,765,222,400/278,205,590.40
  6. Step 6: Final answer
    x = 262,111,867.20

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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.