Home / 257,536,278.40-386,304,417.60-175,906,940.80

Finding the Fourth Proportional to 257,536,278.40, 386,304,417.60 and 175,906,940.80

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Solution

The fourth proportional to 257,536,278.40, 386,304,417.60 and 175,906,940.80 is: 263,860,411.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,536,278.40 : 386,304,417.60 = 175,906,940.80 : x
  2. Step 2: Convert to fraction form
    257,536,278.40/386,304,417.60 = 175,906,940.80/x
  3. Step 3: Cross multiply
    257,536,278.40x = 386,304,417.60 × 175,906,940.80
  4. Step 4: Simplify right side
    257,536,278.40x = 67,953,628,317,541,688
  5. Step 5: Solve for x
    x = 67,953,628,317,541,688/257,536,278.40
  6. Step 6: Final answer
    x = 263,860,411.20

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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.