Home / 442,836,806.63-611,114,769.81-239,152,141.17

Finding the Fourth Proportional to 442,836,806.63, 611,114,769.81 and 239,152,141.17

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Solution

The fourth proportional to 442,836,806.63, 611,114,769.81 and 239,152,141.17 is: 330,029,942.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,836,806.63 : 611,114,769.81 = 239,152,141.17 : x
  2. Step 2: Convert to fraction form
    442,836,806.63/611,114,769.81 = 239,152,141.17/x
  3. Step 3: Cross multiply
    442,836,806.63x = 611,114,769.81 × 239,152,141.17
  4. Step 4: Simplify right side
    442,836,806.63x = 146,149,405,700,673,152
  5. Step 5: Solve for x
    x = 146,149,405,700,673,152/442,836,806.63
  6. Step 6: Final answer
    x = 330,029,942.21

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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.