Home / 491,968,719.02-678,924,898.18-293,747,535.52

Finding the Fourth Proportional to 491,968,719.02, 678,924,898.18 and 293,747,535.52

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Solution

The fourth proportional to 491,968,719.02, 678,924,898.18 and 293,747,535.52 is: 405,376,415.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,968,719.02 : 678,924,898.18 = 293,747,535.52 : x
  2. Step 2: Convert to fraction form
    491,968,719.02/678,924,898.18 = 293,747,535.52/x
  3. Step 3: Cross multiply
    491,968,719.02x = 678,924,898.18 × 293,747,535.52
  4. Step 4: Simplify right side
    491,968,719.02x = 199,432,515,638,678,560
  5. Step 5: Solve for x
    x = 199,432,515,638,678,560/491,968,719.02
  6. Step 6: Final answer
    x = 405,376,415.06

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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.