Home / 266,814,007.20-400,221,010.80-175,276,247.40

Finding the Fourth Proportional to 266,814,007.20, 400,221,010.80 and 175,276,247.40

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Solution

The fourth proportional to 266,814,007.20, 400,221,010.80 and 175,276,247.40 is: 262,914,371.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,814,007.20 : 400,221,010.80 = 175,276,247.40 : x
  2. Step 2: Convert to fraction form
    266,814,007.20/400,221,010.80 = 175,276,247.40/x
  3. Step 3: Cross multiply
    266,814,007.20x = 400,221,010.80 × 175,276,247.40
  4. Step 4: Simplify right side
    266,814,007.20x = 70,149,236,903,658,880
  5. Step 5: Solve for x
    x = 70,149,236,903,658,880/266,814,007.20
  6. Step 6: Final answer
    x = 262,914,371.10

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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.