Home / 489,938,175.10-734,056,957.04-317,326,138.30

Finding the Fourth Proportional to 489,938,175.10, 734,056,957.04 and 317,326,138.30

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Solution

The fourth proportional to 489,938,175.10, 734,056,957.04 and 317,326,138.30 is: 475,438,476.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,938,175.10 : 734,056,957.04 = 317,326,138.30 : x
  2. Step 2: Convert to fraction form
    489,938,175.10/734,056,957.04 = 317,326,138.30/x
  3. Step 3: Cross multiply
    489,938,175.10x = 734,056,957.04 × 317,326,138.30
  4. Step 4: Simplify right side
    489,938,175.10x = 232,935,459,469,752,192
  5. Step 5: Solve for x
    x = 232,935,459,469,752,192/489,938,175.10
  6. Step 6: Final answer
    x = 475,438,476.34

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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.