Home / 40,046,790,515.91-55,264,631,448.90-21,735,854,758.50

Finding the Fourth Proportional to 40,046,790,515.91, 55,264,631,448.90 and 21,735,854,758.50

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Solution

The fourth proportional to 40,046,790,515.91, 55,264,631,448.90 and 21,735,854,758.50 is: 29,995,512,423.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,046,790,515.91 : 55,264,631,448.90 = 21,735,854,758.50 : x
  2. Step 2: Convert to fraction form
    40,046,790,515.91/55,264,631,448.90 = 21,735,854,758.50/x
  3. Step 3: Cross multiply
    40,046,790,515.91x = 55,264,631,448.90 × 21,735,854,758.50
  4. Step 4: Simplify right side
    40,046,790,515.91x = 1,201,224,002,455,321,968,640
  5. Step 5: Solve for x
    x = 1,201,224,002,455,321,968,640/40,046,790,515.91
  6. Step 6: Final answer
    x = 29,995,512,423.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.