Home / 605,078,770.46-907,882,153.10-211,887,802.69

Finding the Fourth Proportional to 605,078,770.46, 907,882,153.10 and 211,887,802.69

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Solution

The fourth proportional to 605,078,770.46, 907,882,153.10 and 211,887,802.69 is: 317,924,151.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,078,770.46 : 907,882,153.10 = 211,887,802.69 : x
  2. Step 2: Convert to fraction form
    605,078,770.46/907,882,153.10 = 211,887,802.69/x
  3. Step 3: Cross multiply
    605,078,770.46x = 907,882,153.10 × 211,887,802.69
  4. Step 4: Simplify right side
    605,078,770.46x = 192,369,154,520,085,184
  5. Step 5: Solve for x
    x = 192,369,154,520,085,184/605,078,770.46
  6. Step 6: Final answer
    x = 317,924,151.22

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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.