Home / 466,148,033.14-643,284,348.70-257,304,215.20

Finding the Fourth Proportional to 466,148,033.14, 643,284,348.70 and 257,304,215.20

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Solution

The fourth proportional to 466,148,033.14, 643,284,348.70 and 257,304,215.20 is: 355,079,851.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,148,033.14 : 643,284,348.70 = 257,304,215.20 : x
  2. Step 2: Convert to fraction form
    466,148,033.14/643,284,348.70 = 257,304,215.20/x
  3. Step 3: Cross multiply
    466,148,033.14x = 643,284,348.70 × 257,304,215.20
  4. Step 4: Simplify right side
    466,148,033.14x = 165,519,774,492,696,640
  5. Step 5: Solve for x
    x = 165,519,774,492,696,640/466,148,033.14
  6. Step 6: Final answer
    x = 355,079,851.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.