Home / 625,803,479.10-939,041,141.85-262,334,576.70

Finding the Fourth Proportional to 625,803,479.10, 939,041,141.85 and 262,334,576.70

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Solution

The fourth proportional to 625,803,479.10, 939,041,141.85 and 262,334,576.70 is: 393,642,682.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,803,479.10 : 939,041,141.85 = 262,334,576.70 : x
  2. Step 2: Convert to fraction form
    625,803,479.10/939,041,141.85 = 262,334,576.70/x
  3. Step 3: Cross multiply
    625,803,479.10x = 939,041,141.85 × 262,334,576.70
  4. Step 4: Simplify right side
    625,803,479.10x = 246,342,960,451,104,384
  5. Step 5: Solve for x
    x = 246,342,960,451,104,384/625,803,479.10
  6. Step 6: Final answer
    x = 393,642,682.85

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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.