Home / 919,375,887.36-1,378,808,674.56-255,237,335.04

Finding the Fourth Proportional to 919,375,887.36, 1,378,808,674.56 and 255,237,335.04

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Solution

The fourth proportional to 919,375,887.36, 1,378,808,674.56 and 255,237,335.04 is: 382,785,165.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,375,887.36 : 1,378,808,674.56 = 255,237,335.04 : x
  2. Step 2: Convert to fraction form
    919,375,887.36/1,378,808,674.56 = 255,237,335.04/x
  3. Step 3: Cross multiply
    919,375,887.36x = 1,378,808,674.56 × 255,237,335.04
  4. Step 4: Simplify right side
    919,375,887.36x = 351,923,451,624,729,024
  5. Step 5: Solve for x
    x = 351,923,451,624,729,024/919,375,887.36
  6. Step 6: Final answer
    x = 382,785,165.96

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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.