Home / 870,984,185.40-1,306,476,278.10-580,746,540.60

Finding the Fourth Proportional to 870,984,185.40, 1,306,476,278.10 and 580,746,540.60

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Solution

The fourth proportional to 870,984,185.40, 1,306,476,278.10 and 580,746,540.60 is: 871,119,810.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,984,185.40 : 1,306,476,278.10 = 580,746,540.60 : x
  2. Step 2: Convert to fraction form
    870,984,185.40/1,306,476,278.10 = 580,746,540.60/x
  3. Step 3: Cross multiply
    870,984,185.40x = 1,306,476,278.10 × 580,746,540.60
  4. Step 4: Simplify right side
    870,984,185.40x = 758,731,578,882,538,496
  5. Step 5: Solve for x
    x = 758,731,578,882,538,496/870,984,185.40
  6. Step 6: Final answer
    x = 871,119,810.90

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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.