Home / 388,774,880.68-583,577,307.38-167,555,394.72

Finding the Fourth Proportional to 388,774,880.68, 583,577,307.38 and 167,555,394.72

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Solution

The fourth proportional to 388,774,880.68, 583,577,307.38 and 167,555,394.72 is: 251,511,944.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,774,880.68 : 583,577,307.38 = 167,555,394.72 : x
  2. Step 2: Convert to fraction form
    388,774,880.68/583,577,307.38 = 167,555,394.72/x
  3. Step 3: Cross multiply
    388,774,880.68x = 583,577,307.38 × 167,555,394.72
  4. Step 4: Simplify right side
    388,774,880.68x = 97,781,526,087,690,672
  5. Step 5: Solve for x
    x = 97,781,526,087,690,672/388,774,880.68
  6. Step 6: Final answer
    x = 251,511,944.18

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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.