Home / 930,799,810.80-1,396,199,716.20-543,060,457.20

Finding the Fourth Proportional to 930,799,810.80, 1,396,199,716.20 and 543,060,457.20

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Solution

The fourth proportional to 930,799,810.80, 1,396,199,716.20 and 543,060,457.20 is: 814,590,685.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,799,810.80 : 1,396,199,716.20 = 543,060,457.20 : x
  2. Step 2: Convert to fraction form
    930,799,810.80/1,396,199,716.20 = 543,060,457.20/x
  3. Step 3: Cross multiply
    930,799,810.80x = 1,396,199,716.20 × 543,060,457.20
  4. Step 4: Simplify right side
    930,799,810.80x = 758,220,856,222,082,304
  5. Step 5: Solve for x
    x = 758,220,856,222,082,304/930,799,810.80
  6. Step 6: Final answer
    x = 814,590,685.80

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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.