Home / 6,525,965,507.18-9,781,978,869.91-3,721,896,207.28

Finding the Fourth Proportional to 6,525,965,507.18, 9,781,978,869.91 and 3,721,896,207.28

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Solution

The fourth proportional to 6,525,965,507.18, 9,781,978,869.91 and 3,721,896,207.28 is: 5,578,869,519.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,525,965,507.18 : 9,781,978,869.91 = 3,721,896,207.28 : x
  2. Step 2: Convert to fraction form
    6,525,965,507.18/9,781,978,869.91 = 3,721,896,207.28/x
  3. Step 3: Cross multiply
    6,525,965,507.18x = 9,781,978,869.91 × 3,721,896,207.28
  4. Step 4: Simplify right side
    6,525,965,507.18x = 36,407,510,055,611,129,856
  5. Step 5: Solve for x
    x = 36,407,510,055,611,129,856/6,525,965,507.18
  6. Step 6: Final answer
    x = 5,578,869,519.85

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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.