Home / 713,012,006.80-1,069,518,010.20-325,591,517.80

Finding the Fourth Proportional to 713,012,006.80, 1,069,518,010.20 and 325,591,517.80

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Solution

The fourth proportional to 713,012,006.80, 1,069,518,010.20 and 325,591,517.80 is: 488,387,276.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,012,006.80 : 1,069,518,010.20 = 325,591,517.80 : x
  2. Step 2: Convert to fraction form
    713,012,006.80/1,069,518,010.20 = 325,591,517.80/x
  3. Step 3: Cross multiply
    713,012,006.80x = 1,069,518,010.20 × 325,591,517.80
  4. Step 4: Simplify right side
    713,012,006.80x = 348,225,992,255,453,888
  5. Step 5: Solve for x
    x = 348,225,992,255,453,888/713,012,006.80
  6. Step 6: Final answer
    x = 488,387,276.70

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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.