Home / 478,479,355.21-717,719,033.22-114,973,711.21

Finding the Fourth Proportional to 478,479,355.21, 717,719,033.22 and 114,973,711.21

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Solution

The fourth proportional to 478,479,355.21, 717,719,033.22 and 114,973,711.21 is: 172,460,566.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,479,355.21 : 717,719,033.22 = 114,973,711.21 : x
  2. Step 2: Convert to fraction form
    478,479,355.21/717,719,033.22 = 114,973,711.21/x
  3. Step 3: Cross multiply
    478,479,355.21x = 717,719,033.22 × 114,973,711.21
  4. Step 4: Simplify right side
    478,479,355.21x = 82,518,820,855,822,672
  5. Step 5: Solve for x
    x = 82,518,820,855,822,672/478,479,355.21
  6. Step 6: Final answer
    x = 172,460,566.91

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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.