Home / 620,377,145.40-930,565,718.10-275,365,648.20

Finding the Fourth Proportional to 620,377,145.40, 930,565,718.10 and 275,365,648.20

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Solution

The fourth proportional to 620,377,145.40, 930,565,718.10 and 275,365,648.20 is: 413,048,472.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,377,145.40 : 930,565,718.10 = 275,365,648.20 : x
  2. Step 2: Convert to fraction form
    620,377,145.40/930,565,718.10 = 275,365,648.20/x
  3. Step 3: Cross multiply
    620,377,145.40x = 930,565,718.10 × 275,365,648.20
  4. Step 4: Simplify right side
    620,377,145.40x = 256,245,832,157,304,960
  5. Step 5: Solve for x
    x = 256,245,832,157,304,960/620,377,145.40
  6. Step 6: Final answer
    x = 413,048,472.30

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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.