Home / 298,446,505.70-447,674,398.46-88,378,441.58

Finding the Fourth Proportional to 298,446,505.70, 447,674,398.46 and 88,378,441.58

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Solution

The fourth proportional to 298,446,505.70, 447,674,398.46 and 88,378,441.58 is: 132,569,036.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,446,505.70 : 447,674,398.46 = 88,378,441.58 : x
  2. Step 2: Convert to fraction form
    298,446,505.70/447,674,398.46 = 88,378,441.58/x
  3. Step 3: Cross multiply
    298,446,505.70x = 447,674,398.46 × 88,378,441.58
  4. Step 4: Simplify right side
    298,446,505.70x = 39,564,765,671,158,752
  5. Step 5: Solve for x
    x = 39,564,765,671,158,752/298,446,505.70
  6. Step 6: Final answer
    x = 132,569,036.38

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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.