Home / 399,699,114.40-600,556,441.20-254,202,378.40

Finding the Fourth Proportional to 399,699,114.40, 600,556,441.20 and 254,202,378.40

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Solution

The fourth proportional to 399,699,114.40, 600,556,441.20 and 254,202,378.40 is: 381,944,493.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,699,114.40 : 600,556,441.20 = 254,202,378.40 : x
  2. Step 2: Convert to fraction form
    399,699,114.40/600,556,441.20 = 254,202,378.40/x
  3. Step 3: Cross multiply
    399,699,114.40x = 600,556,441.20 × 254,202,378.40
  4. Step 4: Simplify right side
    399,699,114.40x = 152,662,875,716,479,776
  5. Step 5: Solve for x
    x = 152,662,875,716,479,776/399,699,114.40
  6. Step 6: Final answer
    x = 381,944,493.29

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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.