Home / 400,409,810.88-600,395,764.92-317,941,315.80

Finding the Fourth Proportional to 400,409,810.88, 600,395,764.92 and 317,941,315.80

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Solution

The fourth proportional to 400,409,810.88, 600,395,764.92 and 317,941,315.80 is: 476,738,117.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,409,810.88 : 600,395,764.92 = 317,941,315.80 : x
  2. Step 2: Convert to fraction form
    400,409,810.88/600,395,764.92 = 317,941,315.80/x
  3. Step 3: Cross multiply
    400,409,810.88x = 600,395,764.92 × 317,941,315.80
  4. Step 4: Simplify right side
    400,409,810.88x = 190,890,619,499,412,288
  5. Step 5: Solve for x
    x = 190,890,619,499,412,288/400,409,810.88
  6. Step 6: Final answer
    x = 476,738,117.58

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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.