Home / 638,162,669.28-880,732,194.12-374,066,552.64

Finding the Fourth Proportional to 638,162,669.28, 880,732,194.12 and 374,066,552.64

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Solution

The fourth proportional to 638,162,669.28, 880,732,194.12 and 374,066,552.64 is: 516,251,531.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,162,669.28 : 880,732,194.12 = 374,066,552.64 : x
  2. Step 2: Convert to fraction form
    638,162,669.28/880,732,194.12 = 374,066,552.64/x
  3. Step 3: Cross multiply
    638,162,669.28x = 880,732,194.12 × 374,066,552.64
  4. Step 4: Simplify right side
    638,162,669.28x = 329,452,455,653,531,648
  5. Step 5: Solve for x
    x = 329,452,455,653,531,648/638,162,669.28
  6. Step 6: Final answer
    x = 516,251,531.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.