Home / 48,309,274,434.90-72,439,667,604.60-28,147,216,041.09

Finding the Fourth Proportional to 48,309,274,434.90, 72,439,667,604.60 and 28,147,216,041.09

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Solution

The fourth proportional to 48,309,274,434.90, 72,439,667,604.60 and 28,147,216,041.09 is: 42,206,698,358.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,309,274,434.90 : 72,439,667,604.60 = 28,147,216,041.09 : x
  2. Step 2: Convert to fraction form
    48,309,274,434.90/72,439,667,604.60 = 28,147,216,041.09/x
  3. Step 3: Cross multiply
    48,309,274,434.90x = 72,439,667,604.60 × 28,147,216,041.09
  4. Step 4: Simplify right side
    48,309,274,434.90x = 2,038,974,974,011,424,899,072
  5. Step 5: Solve for x
    x = 2,038,974,974,011,424,899,072/48,309,274,434.90
  6. Step 6: Final answer
    x = 42,206,698,358.91

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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.