Home / 311,004,426.45-429,183,272.73-169,875,624.27

Finding the Fourth Proportional to 311,004,426.45, 429,183,272.73 and 169,875,624.27

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Solution

The fourth proportional to 311,004,426.45, 429,183,272.73 and 169,875,624.27 is: 234,426,812.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,004,426.45 : 429,183,272.73 = 169,875,624.27 : x
  2. Step 2: Convert to fraction form
    311,004,426.45/429,183,272.73 = 169,875,624.27/x
  3. Step 3: Cross multiply
    311,004,426.45x = 429,183,272.73 × 169,875,624.27
  4. Step 4: Simplify right side
    311,004,426.45x = 72,907,776,381,250,432
  5. Step 5: Solve for x
    x = 72,907,776,381,250,432/311,004,426.45
  6. Step 6: Final answer
    x = 234,426,812.55

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1.5x scale

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.