Home / 766,211,150.77-1,057,371,353.22-413,787,110.34

Finding the Fourth Proportional to 766,211,150.77, 1,057,371,353.22 and 413,787,110.34

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Solution

The fourth proportional to 766,211,150.77, 1,057,371,353.22 and 413,787,110.34 is: 571,026,193.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,211,150.77 : 1,057,371,353.22 = 413,787,110.34 : x
  2. Step 2: Convert to fraction form
    766,211,150.77/1,057,371,353.22 = 413,787,110.34/x
  3. Step 3: Cross multiply
    766,211,150.77x = 1,057,371,353.22 × 413,787,110.34
  4. Step 4: Simplify right side
    766,211,150.77x = 437,526,636,810,695,424
  5. Step 5: Solve for x
    x = 437,526,636,810,695,424/766,211,150.77
  6. Step 6: Final answer
    x = 571,026,193.46

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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.