Home / 1,353,251,396.21-1,867,392,947.66-750,453,114.51

Finding the Fourth Proportional to 1,353,251,396.21, 1,867,392,947.66 and 750,453,114.51

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Solution

The fourth proportional to 1,353,251,396.21, 1,867,392,947.66 and 750,453,114.51 is: 1,035,573,181.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,251,396.21 : 1,867,392,947.66 = 750,453,114.51 : x
  2. Step 2: Convert to fraction form
    1,353,251,396.21/1,867,392,947.66 = 750,453,114.51/x
  3. Step 3: Cross multiply
    1,353,251,396.21x = 1,867,392,947.66 × 750,453,114.51
  4. Step 4: Simplify right side
    1,353,251,396.21x = 1,401,390,853,581,704,192
  5. Step 5: Solve for x
    x = 1,401,390,853,581,704,192/1,353,251,396.21
  6. Step 6: Final answer
    x = 1,035,573,181.39

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.