Home / 828,971,030.80-1,243,456,546.20-586,907,261.20

Finding the Fourth Proportional to 828,971,030.80, 1,243,456,546.20 and 586,907,261.20

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Solution

The fourth proportional to 828,971,030.80, 1,243,456,546.20 and 586,907,261.20 is: 880,360,891.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,971,030.80 : 1,243,456,546.20 = 586,907,261.20 : x
  2. Step 2: Convert to fraction form
    828,971,030.80/1,243,456,546.20 = 586,907,261.20/x
  3. Step 3: Cross multiply
    828,971,030.80x = 1,243,456,546.20 × 586,907,261.20
  4. Step 4: Simplify right side
    828,971,030.80x = 729,793,675,951,453,312
  5. Step 5: Solve for x
    x = 729,793,675,951,453,312/828,971,030.80
  6. Step 6: Final answer
    x = 880,360,891.80

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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.