Home / 311,325,057.50-429,633,686.33-185,888,213.58

Finding the Fourth Proportional to 311,325,057.50, 429,633,686.33 and 185,888,213.58

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Solution

The fourth proportional to 311,325,057.50, 429,633,686.33 and 185,888,213.58 is: 256,528,784.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,325,057.50 : 429,633,686.33 = 185,888,213.58 : x
  2. Step 2: Convert to fraction form
    311,325,057.50/429,633,686.33 = 185,888,213.58/x
  3. Step 3: Cross multiply
    311,325,057.50x = 429,633,686.33 × 185,888,213.58
  4. Step 4: Simplify right side
    311,325,057.50x = 79,863,838,448,099,088
  5. Step 5: Solve for x
    x = 79,863,838,448,099,088/311,325,057.50
  6. Step 6: Final answer
    x = 256,528,784.06

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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.