Home / 658,922,024.18-987,688,136.06-216,149,084.52

Finding the Fourth Proportional to 658,922,024.18, 987,688,136.06 and 216,149,084.52

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Solution

The fourth proportional to 658,922,024.18, 987,688,136.06 and 216,149,084.52 is: 323,995,675.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,922,024.18 : 987,688,136.06 = 216,149,084.52 : x
  2. Step 2: Convert to fraction form
    658,922,024.18/987,688,136.06 = 216,149,084.52/x
  3. Step 3: Cross multiply
    658,922,024.18x = 987,688,136.06 × 216,149,084.52
  4. Step 4: Simplify right side
    658,922,024.18x = 213,487,886,400,634,208
  5. Step 5: Solve for x
    x = 213,487,886,400,634,208/658,922,024.18
  6. Step 6: Final answer
    x = 323,995,675.61

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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.