Home / 399,699,116.40-600,556,444.20-254,202,380.40

Finding the Fourth Proportional to 399,699,116.40, 600,556,444.20 and 254,202,380.40

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Solution

The fourth proportional to 399,699,116.40, 600,556,444.20 and 254,202,380.40 is: 381,944,496.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,699,116.40 : 600,556,444.20 = 254,202,380.40 : x
  2. Step 2: Convert to fraction form
    399,699,116.40/600,556,444.20 = 254,202,380.40/x
  3. Step 3: Cross multiply
    399,699,116.40x = 600,556,444.20 × 254,202,380.40
  4. Step 4: Simplify right side
    399,699,116.40x = 152,662,877,680,199,776
  5. Step 5: Solve for x
    x = 152,662,877,680,199,776/399,699,116.40
  6. Step 6: Final answer
    x = 381,944,496.29

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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.