Home / 299,585,413,510.53-449,332,715,414.78-81,535,852,152.12

Finding the Fourth Proportional to 299,585,413,510.53, 449,332,715,414.78 and 81,535,852,152.12

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Solution

The fourth proportional to 299,585,413,510.53, 449,332,715,414.78 and 81,535,852,152.12 is: 122,291,420,739.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,585,413,510.53 : 449,332,715,414.78 = 81,535,852,152.12 : x
  2. Step 2: Convert to fraction form
    299,585,413,510.53/449,332,715,414.78 = 81,535,852,152.12/x
  3. Step 3: Cross multiply
    299,585,413,510.53x = 449,332,715,414.78 × 81,535,852,152.12
  4. Step 4: Simplify right side
    299,585,413,510.53x = 36,636,725,851,167,871,991,808
  5. Step 5: Solve for x
    x = 36,636,725,851,167,871,991,808/299,585,413,510.53
  6. Step 6: Final answer
    x = 122,291,420,739.95

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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.