Home / 478,091,924,371.60-717,263,669,562.40-171,812,646,405.69

Finding the Fourth Proportional to 478,091,924,371.60, 717,263,669,562.40 and 171,812,646,405.69

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Solution

The fourth proportional to 478,091,924,371.60, 717,263,669,562.40 and 171,812,646,405.69 is: 257,764,172,444.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,091,924,371.60 : 717,263,669,562.40 = 171,812,646,405.69 : x
  2. Step 2: Convert to fraction form
    478,091,924,371.60/717,263,669,562.40 = 171,812,646,405.69/x
  3. Step 3: Cross multiply
    478,091,924,371.60x = 717,263,669,562.40 × 171,812,646,405.69
  4. Step 4: Simplify right side
    478,091,924,371.60x = 123,234,969,238,172,317,253,632
  5. Step 5: Solve for x
    x = 123,234,969,238,172,317,253,632/478,091,924,371.60
  6. Step 6: Final answer
    x = 257,764,172,444.77

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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.