Home / 1,579,184,124.31-2,179,307,340.80-864,749,682.55

Finding the Fourth Proportional to 1,579,184,124.31, 2,179,307,340.80 and 864,749,682.55

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Solution

The fourth proportional to 1,579,184,124.31, 2,179,307,340.80 and 864,749,682.55 is: 1,193,372,768.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,579,184,124.31 : 2,179,307,340.80 = 864,749,682.55 : x
  2. Step 2: Convert to fraction form
    1,579,184,124.31/2,179,307,340.80 = 864,749,682.55/x
  3. Step 3: Cross multiply
    1,579,184,124.31x = 2,179,307,340.80 × 864,749,682.55
  4. Step 4: Simplify right side
    1,579,184,124.31x = 1,884,555,331,135,684,608
  5. Step 5: Solve for x
    x = 1,884,555,331,135,684,608/1,579,184,124.31
  6. Step 6: Final answer
    x = 1,193,372,768.97

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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.