Home / 424,098,912.30-636,148,368.45-343,477,344.30

Finding the Fourth Proportional to 424,098,912.30, 636,148,368.45 and 343,477,344.30

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Solution

The fourth proportional to 424,098,912.30, 636,148,368.45 and 343,477,344.30 is: 515,216,016.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,098,912.30 : 636,148,368.45 = 343,477,344.30 : x
  2. Step 2: Convert to fraction form
    424,098,912.30/636,148,368.45 = 343,477,344.30/x
  3. Step 3: Cross multiply
    424,098,912.30x = 636,148,368.45 × 343,477,344.30
  4. Step 4: Simplify right side
    424,098,912.30x = 218,502,552,175,983,936
  5. Step 5: Solve for x
    x = 218,502,552,175,983,936/424,098,912.30
  6. Step 6: Final answer
    x = 515,216,016.45

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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.