Home / 689,543,999.30-1,034,315,998.95-689,543,999.30

Finding the Fourth Proportional to 689,543,999.30, 1,034,315,998.95 and 689,543,999.30

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Solution

The fourth proportional to 689,543,999.30, 1,034,315,998.95 and 689,543,999.30 is: 1,034,315,998.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,543,999.30 : 1,034,315,998.95 = 689,543,999.30 : x
  2. Step 2: Convert to fraction form
    689,543,999.30/1,034,315,998.95 = 689,543,999.30/x
  3. Step 3: Cross multiply
    689,543,999.30x = 1,034,315,998.95 × 689,543,999.30
  4. Step 4: Simplify right side
    689,543,999.30x = 713,206,390,455,957,632
  5. Step 5: Solve for x
    x = 713,206,390,455,957,632/689,543,999.30
  6. Step 6: Final answer
    x = 1,034,315,998.95

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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.