Home / 712,152,032.80-1,068,228,049.20-537,555,949.60

Finding the Fourth Proportional to 712,152,032.80, 1,068,228,049.20 and 537,555,949.60

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Solution

The fourth proportional to 712,152,032.80, 1,068,228,049.20 and 537,555,949.60 is: 806,333,924.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,152,032.80 : 1,068,228,049.20 = 537,555,949.60 : x
  2. Step 2: Convert to fraction form
    712,152,032.80/1,068,228,049.20 = 537,555,949.60/x
  3. Step 3: Cross multiply
    712,152,032.80x = 1,068,228,049.20 × 537,555,949.60
  4. Step 4: Simplify right side
    712,152,032.80x = 574,232,343,377,061,568
  5. Step 5: Solve for x
    x = 574,232,343,377,061,568/712,152,032.80
  6. Step 6: Final answer
    x = 806,333,924.40

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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.