Home / 653,198,793.30-979,798,189.95-193,095,983.70

Finding the Fourth Proportional to 653,198,793.30, 979,798,189.95 and 193,095,983.70

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Solution

The fourth proportional to 653,198,793.30, 979,798,189.95 and 193,095,983.70 is: 289,643,975.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,198,793.30 : 979,798,189.95 = 193,095,983.70 : x
  2. Step 2: Convert to fraction form
    653,198,793.30/979,798,189.95 = 193,095,983.70/x
  3. Step 3: Cross multiply
    653,198,793.30x = 979,798,189.95 × 193,095,983.70
  4. Step 4: Simplify right side
    653,198,793.30x = 189,195,095,315,874,688
  5. Step 5: Solve for x
    x = 189,195,095,315,874,688/653,198,793.30
  6. Step 6: Final answer
    x = 289,643,975.55

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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.