Home / 663,555,208.40-995,332,812.60-526,498,542.80

Finding the Fourth Proportional to 663,555,208.40, 995,332,812.60 and 526,498,542.80

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Solution

The fourth proportional to 663,555,208.40, 995,332,812.60 and 526,498,542.80 is: 789,747,814.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,555,208.40 : 995,332,812.60 = 526,498,542.80 : x
  2. Step 2: Convert to fraction form
    663,555,208.40/995,332,812.60 = 526,498,542.80/x
  3. Step 3: Cross multiply
    663,555,208.40x = 995,332,812.60 × 526,498,542.80
  4. Step 4: Simplify right side
    663,555,208.40x = 524,041,275,434,925,504
  5. Step 5: Solve for x
    x = 524,041,275,434,925,504/663,555,208.40
  6. Step 6: Final answer
    x = 789,747,814.20

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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.