Home / 963,149,900.85-1,329,065,683.92-533,998,641.56

Finding the Fourth Proportional to 963,149,900.85, 1,329,065,683.92 and 533,998,641.56

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Solution

The fourth proportional to 963,149,900.85, 1,329,065,683.92 and 533,998,641.56 is: 736,873,117.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,149,900.85 : 1,329,065,683.92 = 533,998,641.56 : x
  2. Step 2: Convert to fraction form
    963,149,900.85/1,329,065,683.92 = 533,998,641.56/x
  3. Step 3: Cross multiply
    963,149,900.85x = 1,329,065,683.92 × 533,998,641.56
  4. Step 4: Simplify right side
    963,149,900.85x = 709,719,269,750,647,040
  5. Step 5: Solve for x
    x = 709,719,269,750,647,040/963,149,900.85
  6. Step 6: Final answer
    x = 736,873,117.18

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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.