Home / 317,395,997.30-437,966,814.34-176,248,026.74

Finding the Fourth Proportional to 317,395,997.30, 437,966,814.34 and 176,248,026.74

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Solution

The fourth proportional to 317,395,997.30, 437,966,814.34 and 176,248,026.74 is: 243,200,252.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,395,997.30 : 437,966,814.34 = 176,248,026.74 : x
  2. Step 2: Convert to fraction form
    317,395,997.30/437,966,814.34 = 176,248,026.74/x
  3. Step 3: Cross multiply
    317,395,997.30x = 437,966,814.34 × 176,248,026.74
  4. Step 4: Simplify right side
    317,395,997.30x = 77,190,786,806,344,160
  5. Step 5: Solve for x
    x = 77,190,786,806,344,160/317,395,997.30
  6. Step 6: Final answer
    x = 243,200,252.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.