Home / 658,586,564.18-987,885,233.58-215,922,783.24

Finding the Fourth Proportional to 658,586,564.18, 987,885,233.58 and 215,922,783.24

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Solution

The fourth proportional to 658,586,564.18, 987,885,233.58 and 215,922,783.24 is: 323,885,941.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,586,564.18 : 987,885,233.58 = 215,922,783.24 : x
  2. Step 2: Convert to fraction form
    658,586,564.18/987,885,233.58 = 215,922,783.24/x
  3. Step 3: Cross multiply
    658,586,564.18x = 987,885,233.58 × 215,922,783.24
  4. Step 4: Simplify right side
    658,586,564.18x = 213,306,929,156,291,136
  5. Step 5: Solve for x
    x = 213,306,929,156,291,136/658,586,564.18
  6. Step 6: Final answer
    x = 323,885,941.13

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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.