Home / 873,100,200.30-1,309,832,258.85-291,015,278.70

Finding the Fourth Proportional to 873,100,200.30, 1,309,832,258.85 and 291,015,278.70

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Solution

The fourth proportional to 873,100,200.30, 1,309,832,258.85 and 291,015,278.70 is: 436,583,567.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,100,200.30 : 1,309,832,258.85 = 291,015,278.70 : x
  2. Step 2: Convert to fraction form
    873,100,200.30/1,309,832,258.85 = 291,015,278.70/x
  3. Step 3: Cross multiply
    873,100,200.30x = 1,309,832,258.85 × 291,015,278.70
  4. Step 4: Simplify right side
    873,100,200.30x = 381,181,199,859,483,264
  5. Step 5: Solve for x
    x = 381,181,199,859,483,264/873,100,200.30
  6. Step 6: Final answer
    x = 436,583,567.07

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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.