Home / 345,285,487.34-476,488,411.71-188,649,231.02

Finding the Fourth Proportional to 345,285,487.34, 476,488,411.71 and 188,649,231.02

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Solution

The fourth proportional to 345,285,487.34, 476,488,411.71 and 188,649,231.02 is: 260,332,900.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,285,487.34 : 476,488,411.71 = 188,649,231.02 : x
  2. Step 2: Convert to fraction form
    345,285,487.34/476,488,411.71 = 188,649,231.02/x
  3. Step 3: Cross multiply
    345,285,487.34x = 476,488,411.71 × 188,649,231.02
  4. Step 4: Simplify right side
    345,285,487.34x = 89,889,172,459,032,672
  5. Step 5: Solve for x
    x = 89,889,172,459,032,672/345,285,487.34
  6. Step 6: Final answer
    x = 260,332,900.61

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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.