Home / 1,274,156,748.05-1,911,235,122.08-401,025,757.10

Finding the Fourth Proportional to 1,274,156,748.05, 1,911,235,122.08 and 401,025,757.10

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Solution

The fourth proportional to 1,274,156,748.05, 1,911,235,122.08 and 401,025,757.10 is: 601,538,635.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,156,748.05 : 1,911,235,122.08 = 401,025,757.10 : x
  2. Step 2: Convert to fraction form
    1,274,156,748.05/1,911,235,122.08 = 401,025,757.10/x
  3. Step 3: Cross multiply
    1,274,156,748.05x = 1,911,235,122.08 × 401,025,757.10
  4. Step 4: Simplify right side
    1,274,156,748.05x = 766,454,511,828,242,944
  5. Step 5: Solve for x
    x = 766,454,511,828,242,944/1,274,156,748.05
  6. Step 6: Final answer
    x = 601,538,635.65

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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.