Home / 385,671,092.40-532,260,812.34-218,448,025.83

Finding the Fourth Proportional to 385,671,092.40, 532,260,812.34 and 218,448,025.83

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Solution

The fourth proportional to 385,671,092.40, 532,260,812.34 and 218,448,025.83 is: 301,477,932.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,671,092.40 : 532,260,812.34 = 218,448,025.83 : x
  2. Step 2: Convert to fraction form
    385,671,092.40/532,260,812.34 = 218,448,025.83/x
  3. Step 3: Cross multiply
    385,671,092.40x = 532,260,812.34 × 218,448,025.83
  4. Step 4: Simplify right side
    385,671,092.40x = 116,271,323,682,345,104
  5. Step 5: Solve for x
    x = 116,271,323,682,345,104/385,671,092.40
  6. Step 6: Final answer
    x = 301,477,932.81

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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.