Home / 662,424,128.27-914,145,440.95-361,009,511.20

Finding the Fourth Proportional to 662,424,128.27, 914,145,440.95 and 361,009,511.20

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Solution

The fourth proportional to 662,424,128.27, 914,145,440.95 and 361,009,511.20 is: 498,193,203.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,424,128.27 : 914,145,440.95 = 361,009,511.20 : x
  2. Step 2: Convert to fraction form
    662,424,128.27/914,145,440.95 = 361,009,511.20/x
  3. Step 3: Cross multiply
    662,424,128.27x = 914,145,440.95 × 361,009,511.20
  4. Step 4: Simplify right side
    662,424,128.27x = 330,015,198,803,067,968
  5. Step 5: Solve for x
    x = 330,015,198,803,067,968/662,424,128.27
  6. Step 6: Final answer
    x = 498,193,203.90

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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.