Home / 734,128,972.20-1,101,193,458.30-423,767,428.20

Finding the Fourth Proportional to 734,128,972.20, 1,101,193,458.30 and 423,767,428.20

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Solution

The fourth proportional to 734,128,972.20, 1,101,193,458.30 and 423,767,428.20 is: 635,651,142.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,128,972.20 : 1,101,193,458.30 = 423,767,428.20 : x
  2. Step 2: Convert to fraction form
    734,128,972.20/1,101,193,458.30 = 423,767,428.20/x
  3. Step 3: Cross multiply
    734,128,972.20x = 1,101,193,458.30 × 423,767,428.20
  4. Step 4: Simplify right side
    734,128,972.20x = 466,649,919,774,454,912
  5. Step 5: Solve for x
    x = 466,649,919,774,454,912/734,128,972.20
  6. Step 6: Final answer
    x = 635,651,142.30

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Double scale
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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.