Home / 886,471,395.90-1,329,707,093.85-519,139,376.70

Finding the Fourth Proportional to 886,471,395.90, 1,329,707,093.85 and 519,139,376.70

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Solution

The fourth proportional to 886,471,395.90, 1,329,707,093.85 and 519,139,376.70 is: 778,709,065.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,471,395.90 : 1,329,707,093.85 = 519,139,376.70 : x
  2. Step 2: Convert to fraction form
    886,471,395.90/1,329,707,093.85 = 519,139,376.70/x
  3. Step 3: Cross multiply
    886,471,395.90x = 1,329,707,093.85 × 519,139,376.70
  4. Step 4: Simplify right side
    886,471,395.90x = 690,303,311,894,857,344
  5. Step 5: Solve for x
    x = 690,303,311,894,857,344/886,471,395.90
  6. Step 6: Final answer
    x = 778,709,065.05

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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.