Home / 1,210,738,002.13-1,816,107,027.23-290,614,340.89

Finding the Fourth Proportional to 1,210,738,002.13, 1,816,107,027.23 and 290,614,340.89

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Solution

The fourth proportional to 1,210,738,002.13, 1,816,107,027.23 and 290,614,340.89 is: 435,921,517.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,738,002.13 : 1,816,107,027.23 = 290,614,340.89 : x
  2. Step 2: Convert to fraction form
    1,210,738,002.13/1,816,107,027.23 = 290,614,340.89/x
  3. Step 3: Cross multiply
    1,210,738,002.13x = 1,816,107,027.23 × 290,614,340.89
  4. Step 4: Simplify right side
    1,210,738,002.13x = 527,786,746,704,143,680
  5. Step 5: Solve for x
    x = 527,786,746,704,143,680/1,210,738,002.13
  6. Step 6: Final answer
    x = 435,921,517.10

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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.