Home / 288,686,828.80-432,179,937.60-271,869,673.60

Finding the Fourth Proportional to 288,686,828.80, 432,179,937.60 and 271,869,673.60

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Solution

The fourth proportional to 288,686,828.80, 432,179,937.60 and 271,869,673.60 is: 407,003,738.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,686,828.80 : 432,179,937.60 = 271,869,673.60 : x
  2. Step 2: Convert to fraction form
    288,686,828.80/432,179,937.60 = 271,869,673.60/x
  3. Step 3: Cross multiply
    288,686,828.80x = 432,179,937.60 × 271,869,673.60
  4. Step 4: Simplify right side
    288,686,828.80x = 117,496,618,571,780,384
  5. Step 5: Solve for x
    x = 117,496,618,571,780,384/288,686,828.80
  6. Step 6: Final answer
    x = 407,003,738.48

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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.