Home / 1,243,407,461.94-1,716,052,778.64-707,689,385.46

Finding the Fourth Proportional to 1,243,407,461.94, 1,716,052,778.64 and 707,689,385.46

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Solution

The fourth proportional to 1,243,407,461.94, 1,716,052,778.64 and 707,689,385.46 is: 976,696,998.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,407,461.94 : 1,716,052,778.64 = 707,689,385.46 : x
  2. Step 2: Convert to fraction form
    1,243,407,461.94/1,716,052,778.64 = 707,689,385.46/x
  3. Step 3: Cross multiply
    1,243,407,461.94x = 1,716,052,778.64 × 707,689,385.46
  4. Step 4: Simplify right side
    1,243,407,461.94x = 1,214,432,336,332,667,136
  5. Step 5: Solve for x
    x = 1,214,432,336,332,667,136/1,243,407,461.94
  6. Step 6: Final answer
    x = 976,696,998.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.