Home / 478,091,924,216.96-717,263,669,331.36-171,812,646,251.36

Finding the Fourth Proportional to 478,091,924,216.96, 717,263,669,331.36 and 171,812,646,251.36

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Solution

The fourth proportional to 478,091,924,216.96, 717,263,669,331.36 and 171,812,646,251.36 is: 257,764,172,213.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,091,924,216.96 : 717,263,669,331.36 = 171,812,646,251.36 : x
  2. Step 2: Convert to fraction form
    478,091,924,216.96/717,263,669,331.36 = 171,812,646,251.36/x
  3. Step 3: Cross multiply
    478,091,924,216.96x = 717,263,669,331.36 × 171,812,646,251.36
  4. Step 4: Simplify right side
    478,091,924,216.96x = 123,234,969,087,781,403,361,280
  5. Step 5: Solve for x
    x = 123,234,969,087,781,403,361,280/478,091,924,216.96
  6. Step 6: Final answer
    x = 257,764,172,213.58

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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.