Home / 843,208,626.47-1,163,664,268.11-466,865,221.39

Finding the Fourth Proportional to 843,208,626.47, 1,163,664,268.11 and 466,865,221.39

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Solution

The fourth proportional to 843,208,626.47, 1,163,664,268.11 and 466,865,221.39 is: 644,294,139.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,208,626.47 : 1,163,664,268.11 = 466,865,221.39 : x
  2. Step 2: Convert to fraction form
    843,208,626.47/1,163,664,268.11 = 466,865,221.39/x
  3. Step 3: Cross multiply
    843,208,626.47x = 1,163,664,268.11 × 466,865,221.39
  4. Step 4: Simplify right side
    843,208,626.47x = 543,274,376,151,898,240
  5. Step 5: Solve for x
    x = 543,274,376,151,898,240/843,208,626.47
  6. Step 6: Final answer
    x = 644,294,139.20

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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.