Home / 31,484,895,005.20-47,245,482,360.60-11,869,667,510.80

Finding the Fourth Proportional to 31,484,895,005.20, 47,245,482,360.60 and 11,869,667,510.80

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Solution

The fourth proportional to 31,484,895,005.20, 47,245,482,360.60 and 11,869,667,510.80 is: 17,811,339,911.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,484,895,005.20 : 47,245,482,360.60 = 11,869,667,510.80 : x
  2. Step 2: Convert to fraction form
    31,484,895,005.20/47,245,482,360.60 = 11,869,667,510.80/x
  3. Step 3: Cross multiply
    31,484,895,005.20x = 47,245,482,360.60 × 11,869,667,510.80
  4. Step 4: Simplify right side
    31,484,895,005.20x = 560,788,167,007,688,261,632
  5. Step 5: Solve for x
    x = 560,788,167,007,688,261,632/31,484,895,005.20
  6. Step 6: Final answer
    x = 17,811,339,911.25

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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.