Home / 521,522,280,077.40-782,283,420,116.10-521,522,280,077.40

Finding the Fourth Proportional to 521,522,280,077.40, 782,283,420,116.10 and 521,522,280,077.40

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Solution

The fourth proportional to 521,522,280,077.40, 782,283,420,116.10 and 521,522,280,077.40 is: 782,283,420,116.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,522,280,077.40 : 782,283,420,116.10 = 521,522,280,077.40 : x
  2. Step 2: Convert to fraction form
    521,522,280,077.40/782,283,420,116.10 = 521,522,280,077.40/x
  3. Step 3: Cross multiply
    521,522,280,077.40x = 782,283,420,116.10 × 521,522,280,077.40
  4. Step 4: Simplify right side
    521,522,280,077.40x = 407,978,232,925,695,101,632,512
  5. Step 5: Solve for x
    x = 407,978,232,925,695,101,632,512/521,522,280,077.40
  6. Step 6: Final answer
    x = 782,283,420,116.10

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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.