Home / 531,550,016.20-797,325,024.30-388,222,784.20

Finding the Fourth Proportional to 531,550,016.20, 797,325,024.30 and 388,222,784.20

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Solution

The fourth proportional to 531,550,016.20, 797,325,024.30 and 388,222,784.20 is: 582,334,176.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,550,016.20 : 797,325,024.30 = 388,222,784.20 : x
  2. Step 2: Convert to fraction form
    531,550,016.20/797,325,024.30 = 388,222,784.20/x
  3. Step 3: Cross multiply
    531,550,016.20x = 797,325,024.30 × 388,222,784.20
  4. Step 4: Simplify right side
    531,550,016.20x = 309,539,740,846,078,656
  5. Step 5: Solve for x
    x = 309,539,740,846,078,656/531,550,016.20
  6. Step 6: Final answer
    x = 582,334,176.30

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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.