Home / 1,210,738,012.38-1,816,107,042.60-290,614,351.14

Finding the Fourth Proportional to 1,210,738,012.38, 1,816,107,042.60 and 290,614,351.14

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Solution

The fourth proportional to 1,210,738,012.38, 1,816,107,042.60 and 290,614,351.14 is: 435,921,532.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,738,012.38 : 1,816,107,042.60 = 290,614,351.14 : x
  2. Step 2: Convert to fraction form
    1,210,738,012.38/1,816,107,042.60 = 290,614,351.14/x
  3. Step 3: Cross multiply
    1,210,738,012.38x = 1,816,107,042.60 × 290,614,351.14
  4. Step 4: Simplify right side
    1,210,738,012.38x = 527,786,769,785,983,296
  5. Step 5: Solve for x
    x = 527,786,769,785,983,296/1,210,738,012.38
  6. Step 6: Final answer
    x = 435,921,532.48

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1.5x scale

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.