Home / 28,127,642,897.89-42,136,299,737.53-16,311,937,801.06

Finding the Fourth Proportional to 28,127,642,897.89, 42,136,299,737.53 and 16,311,937,801.06

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Solution

The fourth proportional to 28,127,642,897.89, 42,136,299,737.53 and 16,311,937,801.06 is: 24,435,915,337.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,127,642,897.89 : 42,136,299,737.53 = 16,311,937,801.06 : x
  2. Step 2: Convert to fraction form
    28,127,642,897.89/42,136,299,737.53 = 16,311,937,801.06/x
  3. Step 3: Cross multiply
    28,127,642,897.89x = 42,136,299,737.53 × 16,311,937,801.06
  4. Step 4: Simplify right side
    28,127,642,897.89x = 687,324,700,485,419,663,360
  5. Step 5: Solve for x
    x = 687,324,700,485,419,663,360/28,127,642,897.89
  6. Step 6: Final answer
    x = 24,435,915,337.11

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1.5x scale

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.