Home / 419,217,569.24-578,522,615.40-243,110,126.88

Finding the Fourth Proportional to 419,217,569.24, 578,522,615.40 and 243,110,126.88

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Solution

The fourth proportional to 419,217,569.24, 578,522,615.40 and 243,110,126.88 is: 335,493,349.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,217,569.24 : 578,522,615.40 = 243,110,126.88 : x
  2. Step 2: Convert to fraction form
    419,217,569.24/578,522,615.40 = 243,110,126.88/x
  3. Step 3: Cross multiply
    419,217,569.24x = 578,522,615.40 × 243,110,126.88
  4. Step 4: Simplify right side
    419,217,569.24x = 140,644,706,432,843,440
  5. Step 5: Solve for x
    x = 140,644,706,432,843,440/419,217,569.24
  6. Step 6: Final answer
    x = 335,493,349.41

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.