Home / 781,588,643,626.36-1,172,450,499,457.40-215,626,330,294.48

Finding the Fourth Proportional to 781,588,643,626.36, 1,172,450,499,457.40 and 215,626,330,294.48

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Solution

The fourth proportional to 781,588,643,626.36, 1,172,450,499,457.40 and 215,626,330,294.48 is: 323,458,126,869.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,588,643,626.36 : 1,172,450,499,457.40 = 215,626,330,294.48 : x
  2. Step 2: Convert to fraction form
    781,588,643,626.36/1,172,450,499,457.40 = 215,626,330,294.48/x
  3. Step 3: Cross multiply
    781,588,643,626.36x = 1,172,450,499,457.40 × 215,626,330,294.48
  4. Step 4: Simplify right side
    781,588,643,626.36x = 252,811,198,649,929,369,124,864
  5. Step 5: Solve for x
    x = 252,811,198,649,929,369,124,864/781,588,643,626.36
  6. Step 6: Final answer
    x = 323,458,126,869.59

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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.