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Finding the Fourth Proportional to 701,955,165.45, 969,707,143.14 and 560,640,851.63

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Solution

The fourth proportional to 701,955,165.45, 969,707,143.14 and 560,640,851.63 is: 774,490,259.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,955,165.45 : 969,707,143.14 = 560,640,851.63 : x
  2. Step 2: Convert to fraction form
    701,955,165.45/969,707,143.14 = 560,640,851.63/x
  3. Step 3: Cross multiply
    701,955,165.45x = 969,707,143.14 × 560,640,851.63
  4. Step 4: Simplify right side
    701,955,165.45x = 543,657,438,561,545,792
  5. Step 5: Solve for x
    x = 543,657,438,561,545,792/701,955,165.45
  6. Step 6: Final answer
    x = 774,490,259.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.