Home / 939,874,871.56-1,409,655,937.98-284,670,120.04

Finding the Fourth Proportional to 939,874,871.56, 1,409,655,937.98 and 284,670,120.04

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Solution

The fourth proportional to 939,874,871.56, 1,409,655,937.98 and 284,670,120.04 is: 426,957,818.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,874,871.56 : 1,409,655,937.98 = 284,670,120.04 : x
  2. Step 2: Convert to fraction form
    939,874,871.56/1,409,655,937.98 = 284,670,120.04/x
  3. Step 3: Cross multiply
    939,874,871.56x = 1,409,655,937.98 × 284,670,120.04
  4. Step 4: Simplify right side
    939,874,871.56x = 401,286,925,079,865,408
  5. Step 5: Solve for x
    x = 401,286,925,079,865,408/939,874,871.56
  6. Step 6: Final answer
    x = 426,957,818.77

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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.