Home / 802,723,364.40-1,204,085,046.60-257,520,010.80

Finding the Fourth Proportional to 802,723,364.40, 1,204,085,046.60 and 257,520,010.80

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Solution

The fourth proportional to 802,723,364.40, 1,204,085,046.60 and 257,520,010.80 is: 386,280,016.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,723,364.40 : 1,204,085,046.60 = 257,520,010.80 : x
  2. Step 2: Convert to fraction form
    802,723,364.40/1,204,085,046.60 = 257,520,010.80/x
  3. Step 3: Cross multiply
    802,723,364.40x = 1,204,085,046.60 × 257,520,010.80
  4. Step 4: Simplify right side
    802,723,364.40x = 310,075,994,204,550,464
  5. Step 5: Solve for x
    x = 310,075,994,204,550,464/802,723,364.40
  6. Step 6: Final answer
    x = 386,280,016.20

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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.