Home / 684,085,576.95-944,822,519.15-450,180,381.69

Finding the Fourth Proportional to 684,085,576.95, 944,822,519.15 and 450,180,381.69

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Solution

The fourth proportional to 684,085,576.95, 944,822,519.15 and 450,180,381.69 is: 621,765,136.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,085,576.95 : 944,822,519.15 = 450,180,381.69 : x
  2. Step 2: Convert to fraction form
    684,085,576.95/944,822,519.15 = 450,180,381.69/x
  3. Step 3: Cross multiply
    684,085,576.95x = 944,822,519.15 × 450,180,381.69
  4. Step 4: Simplify right side
    684,085,576.95x = 425,340,562,298,003,392
  5. Step 5: Solve for x
    x = 425,340,562,298,003,392/684,085,576.95
  6. Step 6: Final answer
    x = 621,765,136.75

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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.