Home / 579,261,628.40-868,892,442.60-346,466,850.80

Finding the Fourth Proportional to 579,261,628.40, 868,892,442.60 and 346,466,850.80

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Solution

The fourth proportional to 579,261,628.40, 868,892,442.60 and 346,466,850.80 is: 519,700,276.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,261,628.40 : 868,892,442.60 = 346,466,850.80 : x
  2. Step 2: Convert to fraction form
    579,261,628.40/868,892,442.60 = 346,466,850.80/x
  3. Step 3: Cross multiply
    579,261,628.40x = 868,892,442.60 × 346,466,850.80
  4. Step 4: Simplify right side
    579,261,628.40x = 301,042,428,271,541,760
  5. Step 5: Solve for x
    x = 301,042,428,271,541,760/579,261,628.40
  6. Step 6: Final answer
    x = 519,700,276.20

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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.