Home / 448,092,685.77-671,755,640.72-171,942,065.65

Finding the Fourth Proportional to 448,092,685.77, 671,755,640.72 and 171,942,065.65

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Solution

The fourth proportional to 448,092,685.77, 671,755,640.72 and 171,942,065.65 is: 257,765,984.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,092,685.77 : 671,755,640.72 = 171,942,065.65 : x
  2. Step 2: Convert to fraction form
    448,092,685.77/671,755,640.72 = 171,942,065.65/x
  3. Step 3: Cross multiply
    448,092,685.77x = 671,755,640.72 × 171,942,065.65
  4. Step 4: Simplify right side
    448,092,685.77x = 115,503,052,477,416,048
  5. Step 5: Solve for x
    x = 115,503,052,477,416,048/448,092,685.77
  6. Step 6: Final answer
    x = 257,765,984.91

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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.