Home / 288,441,661.76-398,069,022.72-162,950,333.36

Finding the Fourth Proportional to 288,441,661.76, 398,069,022.72 and 162,950,333.36

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Solution

The fourth proportional to 288,441,661.76, 398,069,022.72 and 162,950,333.36 is: 224,882,492.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,441,661.76 : 398,069,022.72 = 162,950,333.36 : x
  2. Step 2: Convert to fraction form
    288,441,661.76/398,069,022.72 = 162,950,333.36/x
  3. Step 3: Cross multiply
    288,441,661.76x = 398,069,022.72 × 162,950,333.36
  4. Step 4: Simplify right side
    288,441,661.76x = 64,865,479,952,513,424
  5. Step 5: Solve for x
    x = 64,865,479,952,513,424/288,441,661.76
  6. Step 6: Final answer
    x = 224,882,492.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.