Home / 724,339,750.80-1,086,509,626.20-608,113,604.10

Finding the Fourth Proportional to 724,339,750.80, 1,086,509,626.20 and 608,113,604.10

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Solution

The fourth proportional to 724,339,750.80, 1,086,509,626.20 and 608,113,604.10 is: 912,170,406.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,339,750.80 : 1,086,509,626.20 = 608,113,604.10 : x
  2. Step 2: Convert to fraction form
    724,339,750.80/1,086,509,626.20 = 608,113,604.10/x
  3. Step 3: Cross multiply
    724,339,750.80x = 1,086,509,626.20 × 608,113,604.10
  4. Step 4: Simplify right side
    724,339,750.80x = 660,721,284,677,825,792
  5. Step 5: Solve for x
    x = 660,721,284,677,825,792/724,339,750.80
  6. Step 6: Final answer
    x = 912,170,406.15

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1.5x scale

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.