Home / 658,583,755.68-908,846,881.92-361,228,418.16

Finding the Fourth Proportional to 658,583,755.68, 908,846,881.92 and 361,228,418.16

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Solution

The fourth proportional to 658,583,755.68, 908,846,881.92 and 361,228,418.16 is: 498,495,929.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,583,755.68 : 908,846,881.92 = 361,228,418.16 : x
  2. Step 2: Convert to fraction form
    658,583,755.68/908,846,881.92 = 361,228,418.16/x
  3. Step 3: Cross multiply
    658,583,755.68x = 908,846,881.92 × 361,228,418.16
  4. Step 4: Simplify right side
    658,583,755.68x = 328,301,321,505,609,920
  5. Step 5: Solve for x
    x = 328,301,321,505,609,920/658,583,755.68
  6. Step 6: Final answer
    x = 498,495,929.60

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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.