Home / 1,530,624,835.50-2,112,329,163.66-861,613,049.94

Finding the Fourth Proportional to 1,530,624,835.50, 2,112,329,163.66 and 861,613,049.94

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Solution

The fourth proportional to 1,530,624,835.50, 2,112,329,163.66 and 861,613,049.94 is: 1,189,063,662.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,530,624,835.50 : 2,112,329,163.66 = 861,613,049.94 : x
  2. Step 2: Convert to fraction form
    1,530,624,835.50/2,112,329,163.66 = 861,613,049.94/x
  3. Step 3: Cross multiply
    1,530,624,835.50x = 2,112,329,163.66 × 861,613,049.94
  4. Step 4: Simplify right side
    1,530,624,835.50x = 1,820,010,373,178,302,208
  5. Step 5: Solve for x
    x = 1,820,010,373,178,302,208/1,530,624,835.50
  6. Step 6: Final answer
    x = 1,189,063,662.74

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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.