Home / 612,891,015.80-919,336,523.70-367,524,706.10

Finding the Fourth Proportional to 612,891,015.80, 919,336,523.70 and 367,524,706.10

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Solution

The fourth proportional to 612,891,015.80, 919,336,523.70 and 367,524,706.10 is: 551,287,059.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,891,015.80 : 919,336,523.70 = 367,524,706.10 : x
  2. Step 2: Convert to fraction form
    612,891,015.80/919,336,523.70 = 367,524,706.10/x
  3. Step 3: Cross multiply
    612,891,015.80x = 919,336,523.70 × 367,524,706.10
  4. Step 4: Simplify right side
    612,891,015.80x = 337,878,885,679,838,208
  5. Step 5: Solve for x
    x = 337,878,885,679,838,208/612,891,015.80
  6. Step 6: Final answer
    x = 551,287,059.15

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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.