Home / 859,675,813.16-1,289,512,931.92-269,470,298.12

Finding the Fourth Proportional to 859,675,813.16, 1,289,512,931.92 and 269,470,298.12

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Solution

The fourth proportional to 859,675,813.16, 1,289,512,931.92 and 269,470,298.12 is: 404,205,200.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,675,813.16 : 1,289,512,931.92 = 269,470,298.12 : x
  2. Step 2: Convert to fraction form
    859,675,813.16/1,289,512,931.92 = 269,470,298.12/x
  3. Step 3: Cross multiply
    859,675,813.16x = 1,289,512,931.92 × 269,470,298.12
  4. Step 4: Simplify right side
    859,675,813.16x = 347,485,434,194,077,696
  5. Step 5: Solve for x
    x = 347,485,434,194,077,696/859,675,813.16
  6. Step 6: Final answer
    x = 404,205,200.23

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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.