Home / 1,397,251,728.80-2,096,064,217.20-476,896,810.40

Finding the Fourth Proportional to 1,397,251,728.80, 2,096,064,217.20 and 476,896,810.40

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Solution

The fourth proportional to 1,397,251,728.80, 2,096,064,217.20 and 476,896,810.40 is: 715,408,912.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,251,728.80 : 2,096,064,217.20 = 476,896,810.40 : x
  2. Step 2: Convert to fraction form
    1,397,251,728.80/2,096,064,217.20 = 476,896,810.40/x
  3. Step 3: Cross multiply
    1,397,251,728.80x = 2,096,064,217.20 × 476,896,810.40
  4. Step 4: Simplify right side
    1,397,251,728.80x = 999,606,339,576,252,800
  5. Step 5: Solve for x
    x = 999,606,339,576,252,800/1,397,251,728.80
  6. Step 6: Final answer
    x = 715,408,912.35

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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.