Home / 1,325,502,973.36-1,988,253,409.92-356,154,589.36

Finding the Fourth Proportional to 1,325,502,973.36, 1,988,253,409.92 and 356,154,589.36

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Solution

The fourth proportional to 1,325,502,973.36, 1,988,253,409.92 and 356,154,589.36 is: 534,231,601.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,502,973.36 : 1,988,253,409.92 = 356,154,589.36 : x
  2. Step 2: Convert to fraction form
    1,325,502,973.36/1,988,253,409.92 = 356,154,589.36/x
  3. Step 3: Cross multiply
    1,325,502,973.36x = 1,988,253,409.92 × 356,154,589.36
  4. Step 4: Simplify right side
    1,325,502,973.36x = 708,125,576,753,677,440
  5. Step 5: Solve for x
    x = 708,125,576,753,677,440/1,325,502,973.36
  6. Step 6: Final answer
    x = 534,231,601.88

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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.