Home / 886,466,716.65-1,329,700,074.98-519,134,697.45

Finding the Fourth Proportional to 886,466,716.65, 1,329,700,074.98 and 519,134,697.45

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Solution

The fourth proportional to 886,466,716.65, 1,329,700,074.98 and 519,134,697.45 is: 778,702,046.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,466,716.65 : 1,329,700,074.98 = 519,134,697.45 : x
  2. Step 2: Convert to fraction form
    886,466,716.65/1,329,700,074.98 = 519,134,697.45/x
  3. Step 3: Cross multiply
    886,466,716.65x = 1,329,700,074.98 × 519,134,697.45
  4. Step 4: Simplify right side
    886,466,716.65x = 690,293,446,121,388,928
  5. Step 5: Solve for x
    x = 690,293,446,121,388,928/886,466,716.65
  6. Step 6: Final answer
    x = 778,702,046.18

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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.