Home / 288,115,661.58-432,144,407.28-195,338,338.70

Finding the Fourth Proportional to 288,115,661.58, 432,144,407.28 and 195,338,338.70

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Solution

The fourth proportional to 288,115,661.58, 432,144,407.28 and 195,338,338.70 is: 292,987,788.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,115,661.58 : 432,144,407.28 = 195,338,338.70 : x
  2. Step 2: Convert to fraction form
    288,115,661.58/432,144,407.28 = 195,338,338.70/x
  3. Step 3: Cross multiply
    288,115,661.58x = 432,144,407.28 × 195,338,338.70
  4. Step 4: Simplify right side
    288,115,661.58x = 84,414,370,596,571,376
  5. Step 5: Solve for x
    x = 84,414,370,596,571,376/288,115,661.58
  6. Step 6: Final answer
    x = 292,987,788.77

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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.