Home / 713,448,081.90-1,070,172,122.85-661,792,016.70

Finding the Fourth Proportional to 713,448,081.90, 1,070,172,122.85 and 661,792,016.70

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Solution

The fourth proportional to 713,448,081.90, 1,070,172,122.85 and 661,792,016.70 is: 992,688,025.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,448,081.90 : 1,070,172,122.85 = 661,792,016.70 : x
  2. Step 2: Convert to fraction form
    713,448,081.90/1,070,172,122.85 = 661,792,016.70/x
  3. Step 3: Cross multiply
    713,448,081.90x = 1,070,172,122.85 × 661,792,016.70
  4. Step 4: Simplify right side
    713,448,081.90x = 708,231,367,397,021,696
  5. Step 5: Solve for x
    x = 708,231,367,397,021,696/713,448,081.90
  6. Step 6: Final answer
    x = 992,688,025.05

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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.