Home / 354,295,015.40-531,442,523.10-297,859,917.80

Finding the Fourth Proportional to 354,295,015.40, 531,442,523.10 and 297,859,917.80

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Solution

The fourth proportional to 354,295,015.40, 531,442,523.10 and 297,859,917.80 is: 446,789,876.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,295,015.40 : 531,442,523.10 = 297,859,917.80 : x
  2. Step 2: Convert to fraction form
    354,295,015.40/531,442,523.10 = 297,859,917.80/x
  3. Step 3: Cross multiply
    354,295,015.40x = 531,442,523.10 × 297,859,917.80
  4. Step 4: Simplify right side
    354,295,015.40x = 158,295,426,245,990,624
  5. Step 5: Solve for x
    x = 158,295,426,245,990,624/354,295,015.40
  6. Step 6: Final answer
    x = 446,789,876.70

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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.