Home / 278,211,973,266.22-417,341,999,107.45-76,753,708,412.85

Finding the Fourth Proportional to 278,211,973,266.22, 417,341,999,107.45 and 76,753,708,412.85

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Solution

The fourth proportional to 278,211,973,266.22, 417,341,999,107.45 and 76,753,708,412.85 is: 115,137,194,606.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,211,973,266.22 : 417,341,999,107.45 = 76,753,708,412.85 : x
  2. Step 2: Convert to fraction form
    278,211,973,266.22/417,341,999,107.45 = 76,753,708,412.85/x
  3. Step 3: Cross multiply
    278,211,973,266.22x = 417,341,999,107.45 × 76,753,708,412.85
  4. Step 4: Simplify right side
    278,211,973,266.22x = 32,032,546,107,929,124,667,392
  5. Step 5: Solve for x
    x = 32,032,546,107,929,124,667,392/278,211,973,266.22
  6. Step 6: Final answer
    x = 115,137,194,606.92

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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.