Home / 1,036,996,007.20-1,556,091,207.60-391,227,200.80

Finding the Fourth Proportional to 1,036,996,007.20, 1,556,091,207.60 and 391,227,200.80

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Solution

The fourth proportional to 1,036,996,007.20, 1,556,091,207.60 and 391,227,200.80 is: 587,066,105.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,996,007.20 : 1,556,091,207.60 = 391,227,200.80 : x
  2. Step 2: Convert to fraction form
    1,036,996,007.20/1,556,091,207.60 = 391,227,200.80/x
  3. Step 3: Cross multiply
    1,036,996,007.20x = 1,556,091,207.60 × 391,227,200.80
  4. Step 4: Simplify right side
    1,036,996,007.20x = 608,785,207,338,839,680
  5. Step 5: Solve for x
    x = 608,785,207,338,839,680/1,036,996,007.20
  6. Step 6: Final answer
    x = 587,066,105.47

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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.