Home / 655,608,736.80-983,413,105.20-329,091,386.40

Finding the Fourth Proportional to 655,608,736.80, 983,413,105.20 and 329,091,386.40

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Solution

The fourth proportional to 655,608,736.80, 983,413,105.20 and 329,091,386.40 is: 493,637,079.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,608,736.80 : 983,413,105.20 = 329,091,386.40 : x
  2. Step 2: Convert to fraction form
    655,608,736.80/983,413,105.20 = 329,091,386.40/x
  3. Step 3: Cross multiply
    655,608,736.80x = 983,413,105.20 × 329,091,386.40
  4. Step 4: Simplify right side
    655,608,736.80x = 323,632,782,194,197,056
  5. Step 5: Solve for x
    x = 323,632,782,194,197,056/655,608,736.80
  6. Step 6: Final answer
    x = 493,637,079.60

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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.