Home / 295,893,658.20-407,999,095.07-221,315,213.46

Finding the Fourth Proportional to 295,893,658.20, 407,999,095.07 and 221,315,213.46

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Solution

The fourth proportional to 295,893,658.20, 407,999,095.07 and 221,315,213.46 is: 305,165,062.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,893,658.20 : 407,999,095.07 = 221,315,213.46 : x
  2. Step 2: Convert to fraction form
    295,893,658.20/407,999,095.07 = 221,315,213.46/x
  3. Step 3: Cross multiply
    295,893,658.20x = 407,999,095.07 × 221,315,213.46
  4. Step 4: Simplify right side
    295,893,658.20x = 90,296,406,816,903,888
  5. Step 5: Solve for x
    x = 90,296,406,816,903,888/295,893,658.20
  6. Step 6: Final answer
    x = 305,165,062.90

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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.