Home / 31,368,384,376.20-47,052,576,564.30-19,758,878,584.20

Finding the Fourth Proportional to 31,368,384,376.20, 47,052,576,564.30 and 19,758,878,584.20

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Solution

The fourth proportional to 31,368,384,376.20, 47,052,576,564.30 and 19,758,878,584.20 is: 29,638,317,876.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,368,384,376.20 : 47,052,576,564.30 = 19,758,878,584.20 : x
  2. Step 2: Convert to fraction form
    31,368,384,376.20/47,052,576,564.30 = 19,758,878,584.20/x
  3. Step 3: Cross multiply
    31,368,384,376.20x = 47,052,576,564.30 × 19,758,878,584.20
  4. Step 4: Simplify right side
    31,368,384,376.20x = 929,706,147,407,778,152,448
  5. Step 5: Solve for x
    x = 929,706,147,407,778,152,448/31,368,384,376.20
  6. Step 6: Final answer
    x = 29,638,317,876.30

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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.