Home / 311,174,927.32-429,445,878.86-177,218,507.98

Finding the Fourth Proportional to 311,174,927.32, 429,445,878.86 and 177,218,507.98

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Solution

The fourth proportional to 311,174,927.32, 429,445,878.86 and 177,218,507.98 is: 244,575,482.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,174,927.32 : 429,445,878.86 = 177,218,507.98 : x
  2. Step 2: Convert to fraction form
    311,174,927.32/429,445,878.86 = 177,218,507.98/x
  3. Step 3: Cross multiply
    311,174,927.32x = 429,445,878.86 × 177,218,507.98
  4. Step 4: Simplify right side
    311,174,927.32x = 76,105,757,910,565,568
  5. Step 5: Solve for x
    x = 76,105,757,910,565,568/311,174,927.32
  6. Step 6: Final answer
    x = 244,575,482.24

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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.