Home / 946,654,315.30-1,419,309,626.55-429,332,587.30

Finding the Fourth Proportional to 946,654,315.30, 1,419,309,626.55 and 429,332,587.30

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Solution

The fourth proportional to 946,654,315.30, 1,419,309,626.55 and 429,332,587.30 is: 643,694,180.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,654,315.30 : 1,419,309,626.55 = 429,332,587.30 : x
  2. Step 2: Convert to fraction form
    946,654,315.30/1,419,309,626.55 = 429,332,587.30/x
  3. Step 3: Cross multiply
    946,654,315.30x = 1,419,309,626.55 × 429,332,587.30
  4. Step 4: Simplify right side
    946,654,315.30x = 609,355,874,146,508,288
  5. Step 5: Solve for x
    x = 609,355,874,146,508,288/946,654,315.30
  6. Step 6: Final answer
    x = 643,694,180.97

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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.