Home / 14,302,912,571.43-19,737,862,708.64-7,872,595,066.98

Finding the Fourth Proportional to 14,302,912,571.43, 19,737,862,708.64 and 7,872,595,066.98

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Solution

The fourth proportional to 14,302,912,571.43, 19,737,862,708.64 and 7,872,595,066.98 is: 10,864,094,974.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,302,912,571.43 : 19,737,862,708.64 = 7,872,595,066.98 : x
  2. Step 2: Convert to fraction form
    14,302,912,571.43/19,737,862,708.64 = 7,872,595,066.98/x
  3. Step 3: Cross multiply
    14,302,912,571.43x = 19,737,862,708.64 × 7,872,595,066.98
  4. Step 4: Simplify right side
    14,302,912,571.43x = 155,388,200,592,728,391,680
  5. Step 5: Solve for x
    x = 155,388,200,592,728,391,680/14,302,912,571.43
  6. Step 6: Final answer
    x = 10,864,094,974.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.