Home / 418,228,911.60-627,343,367.40-245,788,335.60

Finding the Fourth Proportional to 418,228,911.60, 627,343,367.40 and 245,788,335.60

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Solution

The fourth proportional to 418,228,911.60, 627,343,367.40 and 245,788,335.60 is: 368,682,503.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,228,911.60 : 627,343,367.40 = 245,788,335.60 : x
  2. Step 2: Convert to fraction form
    418,228,911.60/627,343,367.40 = 245,788,335.60/x
  3. Step 3: Cross multiply
    418,228,911.60x = 627,343,367.40 × 245,788,335.60
  4. Step 4: Simplify right side
    418,228,911.60x = 154,193,682,122,945,280
  5. Step 5: Solve for x
    x = 154,193,682,122,945,280/418,228,911.60
  6. Step 6: Final answer
    x = 368,682,503.40

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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.