Home / 386,039,551.28-578,733,868.52-167,525,282.26

Finding the Fourth Proportional to 386,039,551.28, 578,733,868.52 and 167,525,282.26

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Solution

The fourth proportional to 386,039,551.28, 578,733,868.52 and 167,525,282.26 is: 251,146,687.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,039,551.28 : 578,733,868.52 = 167,525,282.26 : x
  2. Step 2: Convert to fraction form
    386,039,551.28/578,733,868.52 = 167,525,282.26/x
  3. Step 3: Cross multiply
    386,039,551.28x = 578,733,868.52 × 167,525,282.26
  4. Step 4: Simplify right side
    386,039,551.28x = 96,952,554,673,503,424
  5. Step 5: Solve for x
    x = 96,952,554,673,503,424/386,039,551.28
  6. Step 6: Final answer
    x = 251,146,687.83

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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.