Home / 1,210,067,738.20-1,815,101,607.30-348,511,821.40

Finding the Fourth Proportional to 1,210,067,738.20, 1,815,101,607.30 and 348,511,821.40

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Solution

The fourth proportional to 1,210,067,738.20, 1,815,101,607.30 and 348,511,821.40 is: 522,767,732.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,067,738.20 : 1,815,101,607.30 = 348,511,821.40 : x
  2. Step 2: Convert to fraction form
    1,210,067,738.20/1,815,101,607.30 = 348,511,821.40/x
  3. Step 3: Cross multiply
    1,210,067,738.20x = 1,815,101,607.30 × 348,511,821.40
  4. Step 4: Simplify right side
    1,210,067,738.20x = 632,584,367,186,190,464
  5. Step 5: Solve for x
    x = 632,584,367,186,190,464/1,210,067,738.20
  6. Step 6: Final answer
    x = 522,767,732.10

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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.