Home / 510,603,309,872.40-765,904,964,808.60-301,632,205,616.40

Finding the Fourth Proportional to 510,603,309,872.40, 765,904,964,808.60 and 301,632,205,616.40

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Solution

The fourth proportional to 510,603,309,872.40, 765,904,964,808.60 and 301,632,205,616.40 is: 452,448,308,424.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,603,309,872.40 : 765,904,964,808.60 = 301,632,205,616.40 : x
  2. Step 2: Convert to fraction form
    510,603,309,872.40/765,904,964,808.60 = 301,632,205,616.40/x
  3. Step 3: Cross multiply
    510,603,309,872.40x = 765,904,964,808.60 × 301,632,205,616.40
  4. Step 4: Simplify right side
    510,603,309,872.40x = 231,021,603,827,769,262,735,360
  5. Step 5: Solve for x
    x = 231,021,603,827,769,262,735,360/510,603,309,872.40
  6. Step 6: Final answer
    x = 452,448,308,424.60

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Double scale
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Similar ratio
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1.5x scale

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.