Home / 354,312,385.40-531,468,578.10-304,994,660.60

Finding the Fourth Proportional to 354,312,385.40, 531,468,578.10 and 304,994,660.60

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Solution

The fourth proportional to 354,312,385.40, 531,468,578.10 and 304,994,660.60 is: 457,491,990.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,312,385.40 : 531,468,578.10 = 304,994,660.60 : x
  2. Step 2: Convert to fraction form
    354,312,385.40/531,468,578.10 = 304,994,660.60/x
  3. Step 3: Cross multiply
    354,312,385.40x = 531,468,578.10 × 304,994,660.60
  4. Step 4: Simplify right side
    354,312,385.40x = 162,095,078,597,174,112
  5. Step 5: Solve for x
    x = 162,095,078,597,174,112/354,312,385.40
  6. Step 6: Final answer
    x = 457,491,990.90

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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.