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Finding the Fourth Proportional to 51,508,300,687.60, 77,262,451,031.40 and 51,508,300,687.60

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Solution

The fourth proportional to 51,508,300,687.60, 77,262,451,031.40 and 51,508,300,687.60 is: 77,262,451,031.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,508,300,687.60 : 77,262,451,031.40 = 51,508,300,687.60 : x
  2. Step 2: Convert to fraction form
    51,508,300,687.60/77,262,451,031.40 = 51,508,300,687.60/x
  3. Step 3: Cross multiply
    51,508,300,687.60x = 77,262,451,031.40 × 51,508,300,687.60
  4. Step 4: Simplify right side
    51,508,300,687.60x = 3,979,657,559,586,321,727,488
  5. Step 5: Solve for x
    x = 3,979,657,559,586,321,727,488/51,508,300,687.60
  6. Step 6: Final answer
    x = 77,262,451,031.40

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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.