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Finding the Fourth Proportional to 835,364,432.94, 1,246,914,760.76 and 773,802,307.50

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Solution

The fourth proportional to 835,364,432.94, 1,246,914,760.76 and 773,802,307.50 is: 1,155,023,461.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,364,432.94 : 1,246,914,760.76 = 773,802,307.50 : x
  2. Step 2: Convert to fraction form
    835,364,432.94/1,246,914,760.76 = 773,802,307.50/x
  3. Step 3: Cross multiply
    835,364,432.94x = 1,246,914,760.76 × 773,802,307.50
  4. Step 4: Simplify right side
    835,364,432.94x = 964,865,519,128,029,568
  5. Step 5: Solve for x
    x = 964,865,519,128,029,568/835,364,432.94
  6. Step 6: Final answer
    x = 1,155,023,461.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.