Home / 1,036,996,013.70-1,556,091,217.35-391,227,207.30

Finding the Fourth Proportional to 1,036,996,013.70, 1,556,091,217.35 and 391,227,207.30

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Solution

The fourth proportional to 1,036,996,013.70, 1,556,091,217.35 and 391,227,207.30 is: 587,066,115.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,996,013.70 : 1,556,091,217.35 = 391,227,207.30 : x
  2. Step 2: Convert to fraction form
    1,036,996,013.70/1,556,091,217.35 = 391,227,207.30/x
  3. Step 3: Cross multiply
    1,036,996,013.70x = 1,556,091,217.35 × 391,227,207.30
  4. Step 4: Simplify right side
    1,036,996,013.70x = 608,785,221,267,897,728
  5. Step 5: Solve for x
    x = 608,785,221,267,897,728/1,036,996,013.70
  6. Step 6: Final answer
    x = 587,066,115.23

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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.