Home / 478,478,899.41-717,839,399.56-133,432,563.30

Finding the Fourth Proportional to 478,478,899.41, 717,839,399.56 and 133,432,563.30

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Solution

The fourth proportional to 478,478,899.41, 717,839,399.56 and 133,432,563.30 is: 200,182,602.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,478,899.41 : 717,839,399.56 = 133,432,563.30 : x
  2. Step 2: Convert to fraction form
    478,478,899.41/717,839,399.56 = 133,432,563.30/x
  3. Step 3: Cross multiply
    478,478,899.41x = 717,839,399.56 × 133,432,563.30
  4. Step 4: Simplify right side
    478,478,899.41x = 95,783,151,118,246,400
  5. Step 5: Solve for x
    x = 95,783,151,118,246,400/478,478,899.41
  6. Step 6: Final answer
    x = 200,182,602.07

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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.