Home / 478,091,924,368.59-717,263,669,557.89-171,812,646,402.69

Finding the Fourth Proportional to 478,091,924,368.59, 717,263,669,557.89 and 171,812,646,402.69

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Solution

The fourth proportional to 478,091,924,368.59, 717,263,669,557.89 and 171,812,646,402.69 is: 257,764,172,440.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,091,924,368.59 : 717,263,669,557.89 = 171,812,646,402.69 : x
  2. Step 2: Convert to fraction form
    478,091,924,368.59/717,263,669,557.89 = 171,812,646,402.69/x
  3. Step 3: Cross multiply
    478,091,924,368.59x = 717,263,669,557.89 × 171,812,646,402.69
  4. Step 4: Simplify right side
    478,091,924,368.59x = 123,234,969,235,245,649,362,944
  5. Step 5: Solve for x
    x = 123,234,969,235,245,649,362,944/478,091,924,368.59
  6. Step 6: Final answer
    x = 257,764,172,440.27

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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.