Home / 510,561,995.40-765,842,993.10-506,735,620.20

Finding the Fourth Proportional to 510,561,995.40, 765,842,993.10 and 506,735,620.20

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Solution

The fourth proportional to 510,561,995.40, 765,842,993.10 and 506,735,620.20 is: 760,103,430.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,561,995.40 : 765,842,993.10 = 506,735,620.20 : x
  2. Step 2: Convert to fraction form
    510,561,995.40/765,842,993.10 = 506,735,620.20/x
  3. Step 3: Cross multiply
    510,561,995.40x = 765,842,993.10 × 506,735,620.20
  4. Step 4: Simplify right side
    510,561,995.40x = 388,079,924,084,352,832
  5. Step 5: Solve for x
    x = 388,079,924,084,352,832/510,561,995.40
  6. Step 6: Final answer
    x = 760,103,430.30

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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.