Home / 930,799,803.30-1,396,199,704.95-543,060,449.70

Finding the Fourth Proportional to 930,799,803.30, 1,396,199,704.95 and 543,060,449.70

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Solution

The fourth proportional to 930,799,803.30, 1,396,199,704.95 and 543,060,449.70 is: 814,590,674.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,799,803.30 : 1,396,199,704.95 = 543,060,449.70 : x
  2. Step 2: Convert to fraction form
    930,799,803.30/1,396,199,704.95 = 543,060,449.70/x
  3. Step 3: Cross multiply
    930,799,803.30x = 1,396,199,704.95 × 543,060,449.70
  4. Step 4: Simplify right side
    930,799,803.30x = 758,220,839,641,154,432
  5. Step 5: Solve for x
    x = 758,220,839,641,154,432/930,799,803.30
  6. Step 6: Final answer
    x = 814,590,674.55

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Double scale
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Similar ratio
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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.