Home / 1,036,996,015.70-1,556,091,220.35-391,227,209.30

Finding the Fourth Proportional to 1,036,996,015.70, 1,556,091,220.35 and 391,227,209.30

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Solution

The fourth proportional to 1,036,996,015.70, 1,556,091,220.35 and 391,227,209.30 is: 587,066,118.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,996,015.70 : 1,556,091,220.35 = 391,227,209.30 : x
  2. Step 2: Convert to fraction form
    1,036,996,015.70/1,556,091,220.35 = 391,227,209.30/x
  3. Step 3: Cross multiply
    1,036,996,015.70x = 1,556,091,220.35 × 391,227,209.30
  4. Step 4: Simplify right side
    1,036,996,015.70x = 608,785,225,553,761,792
  5. Step 5: Solve for x
    x = 608,785,225,553,761,792/1,036,996,015.70
  6. Step 6: Final answer
    x = 587,066,118.23

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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.