Home / 1,353,251,397.21-1,867,392,949.03-750,453,115.51

Finding the Fourth Proportional to 1,353,251,397.21, 1,867,392,949.03 and 750,453,115.51

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Solution

The fourth proportional to 1,353,251,397.21, 1,867,392,949.03 and 750,453,115.51 is: 1,035,573,182.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,251,397.21 : 1,867,392,949.03 = 750,453,115.51 : x
  2. Step 2: Convert to fraction form
    1,353,251,397.21/1,867,392,949.03 = 750,453,115.51/x
  3. Step 3: Cross multiply
    1,353,251,397.21x = 1,867,392,949.03 × 750,453,115.51
  4. Step 4: Simplify right side
    1,353,251,397.21x = 1,401,390,856,480,969,984
  5. Step 5: Solve for x
    x = 1,401,390,856,480,969,984/1,353,251,397.21
  6. Step 6: Final answer
    x = 1,035,573,182.76

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Double scale
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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.