Home / 367,974,682.80-551,962,024.20-313,261,191.60

Finding the Fourth Proportional to 367,974,682.80, 551,962,024.20 and 313,261,191.60

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Solution

The fourth proportional to 367,974,682.80, 551,962,024.20 and 313,261,191.60 is: 469,891,787.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,974,682.80 : 551,962,024.20 = 313,261,191.60 : x
  2. Step 2: Convert to fraction form
    367,974,682.80/551,962,024.20 = 313,261,191.60/x
  3. Step 3: Cross multiply
    367,974,682.80x = 551,962,024.20 × 313,261,191.60
  4. Step 4: Simplify right side
    367,974,682.80x = 172,908,281,418,840,064
  5. Step 5: Solve for x
    x = 172,908,281,418,840,064/367,974,682.80
  6. Step 6: Final answer
    x = 469,891,787.40

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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.