Home / 290,426,538.20-435,639,807.30-224,669,571.80

Finding the Fourth Proportional to 290,426,538.20, 435,639,807.30 and 224,669,571.80

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Solution

The fourth proportional to 290,426,538.20, 435,639,807.30 and 224,669,571.80 is: 337,004,357.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,426,538.20 : 435,639,807.30 = 224,669,571.80 : x
  2. Step 2: Convert to fraction form
    290,426,538.20/435,639,807.30 = 224,669,571.80/x
  3. Step 3: Cross multiply
    290,426,538.20x = 435,639,807.30 × 224,669,571.80
  4. Step 4: Simplify right side
    290,426,538.20x = 97,875,008,965,125,520
  5. Step 5: Solve for x
    x = 97,875,008,965,125,520/290,426,538.20
  6. Step 6: Final answer
    x = 337,004,357.70

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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.