Home / 1,210,738,003.14-1,816,107,028.72-290,614,341.90

Finding the Fourth Proportional to 1,210,738,003.14, 1,816,107,028.72 and 290,614,341.90

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Solution

The fourth proportional to 1,210,738,003.14, 1,816,107,028.72 and 290,614,341.90 is: 435,921,518.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,738,003.14 : 1,816,107,028.72 = 290,614,341.90 : x
  2. Step 2: Convert to fraction form
    1,210,738,003.14/1,816,107,028.72 = 290,614,341.90/x
  3. Step 3: Cross multiply
    1,210,738,003.14x = 1,816,107,028.72 × 290,614,341.90
  4. Step 4: Simplify right side
    1,210,738,003.14x = 527,786,748,971,427,136
  5. Step 5: Solve for x
    x = 527,786,748,971,427,136/1,210,738,003.14
  6. Step 6: Final answer
    x = 435,921,518.61

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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.