Home / 48,309,274,438.65-72,439,667,610.21-28,147,216,044.87

Finding the Fourth Proportional to 48,309,274,438.65, 72,439,667,610.21 and 28,147,216,044.87

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Solution

The fourth proportional to 48,309,274,438.65, 72,439,667,610.21 and 28,147,216,044.87 is: 42,206,698,364.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,309,274,438.65 : 72,439,667,610.21 = 28,147,216,044.87 : x
  2. Step 2: Convert to fraction form
    48,309,274,438.65/72,439,667,610.21 = 28,147,216,044.87/x
  3. Step 3: Cross multiply
    48,309,274,438.65x = 72,439,667,610.21 × 28,147,216,044.87
  4. Step 4: Simplify right side
    48,309,274,438.65x = 2,038,974,974,443,152,736,256
  5. Step 5: Solve for x
    x = 2,038,974,974,443,152,736,256/48,309,274,438.65
  6. Step 6: Final answer
    x = 42,206,698,364.57

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1.5x scale

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.