Home / 31,815,439,926.98-47,669,155,271.57-19,197,786,849.19

Finding the Fourth Proportional to 31,815,439,926.98, 47,669,155,271.57 and 19,197,786,849.19

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Solution

The fourth proportional to 31,815,439,926.98, 47,669,155,271.57 and 19,197,786,849.19 is: 28,764,093,291.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,815,439,926.98 : 47,669,155,271.57 = 19,197,786,849.19 : x
  2. Step 2: Convert to fraction form
    31,815,439,926.98/47,669,155,271.57 = 19,197,786,849.19/x
  3. Step 3: Cross multiply
    31,815,439,926.98x = 47,669,155,271.57 × 19,197,786,849.19
  4. Step 4: Simplify right side
    31,815,439,926.98x = 915,142,282,184,504,901,632
  5. Step 5: Solve for x
    x = 915,142,282,184,504,901,632/31,815,439,926.98
  6. Step 6: Final answer
    x = 28,764,093,291.97

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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.