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Finding the Fourth Proportional to 531,586,410.40, 797,379,615.60 and 531,586,410.40

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Solution

The fourth proportional to 531,586,410.40, 797,379,615.60 and 531,586,410.40 is: 797,379,615.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,586,410.40 : 797,379,615.60 = 531,586,410.40 : x
  2. Step 2: Convert to fraction form
    531,586,410.40/797,379,615.60 = 531,586,410.40/x
  3. Step 3: Cross multiply
    531,586,410.40x = 797,379,615.60 × 531,586,410.40
  4. Step 4: Simplify right side
    531,586,410.40x = 423,876,167,582,935,808
  5. Step 5: Solve for x
    x = 423,876,167,582,935,808/531,586,410.40
  6. Step 6: Final answer
    x = 797,379,615.60

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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.