Home / 620,557,675.20-930,836,512.80-611,487,748.80

Finding the Fourth Proportional to 620,557,675.20, 930,836,512.80 and 611,487,748.80

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Solution

The fourth proportional to 620,557,675.20, 930,836,512.80 and 611,487,748.80 is: 917,231,623.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,557,675.20 : 930,836,512.80 = 611,487,748.80 : x
  2. Step 2: Convert to fraction form
    620,557,675.20/930,836,512.80 = 611,487,748.80/x
  3. Step 3: Cross multiply
    620,557,675.20x = 930,836,512.80 × 611,487,748.80
  4. Step 4: Simplify right side
    620,557,675.20x = 569,195,123,712,914,304
  5. Step 5: Solve for x
    x = 569,195,123,712,914,304/620,557,675.20
  6. Step 6: Final answer
    x = 917,231,623.20

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1.5x scale

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.