Home / 998,914,901.10-1,496,220,015.60-826,728,017.10

Finding the Fourth Proportional to 998,914,901.10, 1,496,220,015.60 and 826,728,017.10

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Solution

The fourth proportional to 998,914,901.10, 1,496,220,015.60 and 826,728,017.10 is: 1,238,310,696.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,914,901.10 : 1,496,220,015.60 = 826,728,017.10 : x
  2. Step 2: Convert to fraction form
    998,914,901.10/1,496,220,015.60 = 826,728,017.10/x
  3. Step 3: Cross multiply
    998,914,901.10x = 1,496,220,015.60 × 826,728,017.10
  4. Step 4: Simplify right side
    998,914,901.10x = 1,236,967,006,642,319,104
  5. Step 5: Solve for x
    x = 1,236,967,006,642,319,104/998,914,901.10
  6. Step 6: Final answer
    x = 1,238,310,696.22

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Double scale
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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.