Home / 885,662,926.08-1,328,621,178.24-272,298,658.56

Finding the Fourth Proportional to 885,662,926.08, 1,328,621,178.24 and 272,298,658.56

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Solution

The fourth proportional to 885,662,926.08, 1,328,621,178.24 and 272,298,658.56 is: 408,486,969.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,662,926.08 : 1,328,621,178.24 = 272,298,658.56 : x
  2. Step 2: Convert to fraction form
    885,662,926.08/1,328,621,178.24 = 272,298,658.56/x
  3. Step 3: Cross multiply
    885,662,926.08x = 1,328,621,178.24 × 272,298,658.56
  4. Step 4: Simplify right side
    885,662,926.08x = 361,781,764,569,158,656
  5. Step 5: Solve for x
    x = 361,781,764,569,158,656/885,662,926.08
  6. Step 6: Final answer
    x = 408,486,969.38

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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.