Home / 510,603,275,430.60-765,904,913,145.90-309,468,587,584.20

Finding the Fourth Proportional to 510,603,275,430.60, 765,904,913,145.90 and 309,468,587,584.20

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Solution

The fourth proportional to 510,603,275,430.60, 765,904,913,145.90 and 309,468,587,584.20 is: 464,202,881,376.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,603,275,430.60 : 765,904,913,145.90 = 309,468,587,584.20 : x
  2. Step 2: Convert to fraction form
    510,603,275,430.60/765,904,913,145.90 = 309,468,587,584.20/x
  3. Step 3: Cross multiply
    510,603,275,430.60x = 765,904,913,145.90 × 309,468,587,584.20
  4. Step 4: Simplify right side
    510,603,275,430.60x = 237,023,511,695,061,061,468,160
  5. Step 5: Solve for x
    x = 237,023,511,695,061,061,468,160/510,603,275,430.60
  6. Step 6: Final answer
    x = 464,202,881,376.30

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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.