Home / 1,769,472,021.80-2,654,208,032.70-1,618,978,428.20

Finding the Fourth Proportional to 1,769,472,021.80, 2,654,208,032.70 and 1,618,978,428.20

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Solution

The fourth proportional to 1,769,472,021.80, 2,654,208,032.70 and 1,618,978,428.20 is: 2,428,467,642.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,769,472,021.80 : 2,654,208,032.70 = 1,618,978,428.20 : x
  2. Step 2: Convert to fraction form
    1,769,472,021.80/2,654,208,032.70 = 1,618,978,428.20/x
  3. Step 3: Cross multiply
    1,769,472,021.80x = 2,654,208,032.70 × 1,618,978,428.20
  4. Step 4: Simplify right side
    1,769,472,021.80x = 4,297,105,548,896,459,776
  5. Step 5: Solve for x
    x = 4,297,105,548,896,459,776/1,769,472,021.80
  6. Step 6: Final answer
    x = 2,428,467,642.30

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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.