Home / 361,831,509.82-542,807,802.11-284,105,278.72

Finding the Fourth Proportional to 361,831,509.82, 542,807,802.11 and 284,105,278.72

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Solution

The fourth proportional to 361,831,509.82, 542,807,802.11 and 284,105,278.72 is: 426,205,451.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,831,509.82 : 542,807,802.11 = 284,105,278.72 : x
  2. Step 2: Convert to fraction form
    361,831,509.82/542,807,802.11 = 284,105,278.72/x
  3. Step 3: Cross multiply
    361,831,509.82x = 542,807,802.11 × 284,105,278.72
  4. Step 4: Simplify right side
    361,831,509.82x = 154,214,561,909,852,160
  5. Step 5: Solve for x
    x = 154,214,561,909,852,160/361,831,509.82
  6. Step 6: Final answer
    x = 426,205,451.22

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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.