Home / 874,061,185.80-1,206,168,543.63-477,597,785.52

Finding the Fourth Proportional to 874,061,185.80, 1,206,168,543.63 and 477,597,785.52

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Solution

The fourth proportional to 874,061,185.80, 1,206,168,543.63 and 477,597,785.52 is: 659,065,331.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,061,185.80 : 1,206,168,543.63 = 477,597,785.52 : x
  2. Step 2: Convert to fraction form
    874,061,185.80/1,206,168,543.63 = 477,597,785.52/x
  3. Step 3: Cross multiply
    874,061,185.80x = 1,206,168,543.63 × 477,597,785.52
  4. Step 4: Simplify right side
    874,061,185.80x = 576,063,425,401,571,520
  5. Step 5: Solve for x
    x = 576,063,425,401,571,520/874,061,185.80
  6. Step 6: Final answer
    x = 659,065,331.76

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Double scale
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1.5x scale

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.