Home / 418,229,087.10-627,343,630.65-245,788,511.10

Finding the Fourth Proportional to 418,229,087.10, 627,343,630.65 and 245,788,511.10

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Solution

The fourth proportional to 418,229,087.10, 627,343,630.65 and 245,788,511.10 is: 368,682,766.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,229,087.10 : 627,343,630.65 = 245,788,511.10 : x
  2. Step 2: Convert to fraction form
    418,229,087.10/627,343,630.65 = 245,788,511.10/x
  3. Step 3: Cross multiply
    418,229,087.10x = 627,343,630.65 × 245,788,511.10
  4. Step 4: Simplify right side
    418,229,087.10x = 154,193,856,925,531,808
  5. Step 5: Solve for x
    x = 154,193,856,925,531,808/418,229,087.10
  6. Step 6: Final answer
    x = 368,682,766.65

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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.