Home / 402,744,894.69-555,782,373.18-226,533,009.42

Finding the Fourth Proportional to 402,744,894.69, 555,782,373.18 and 226,533,009.42

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Solution

The fourth proportional to 402,744,894.69, 555,782,373.18 and 226,533,009.42 is: 312,612,413.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,744,894.69 : 555,782,373.18 = 226,533,009.42 : x
  2. Step 2: Convert to fraction form
    402,744,894.69/555,782,373.18 = 226,533,009.42/x
  3. Step 3: Cross multiply
    402,744,894.69x = 555,782,373.18 × 226,533,009.42
  4. Step 4: Simplify right side
    402,744,894.69x = 125,903,053,579,054,880
  5. Step 5: Solve for x
    x = 125,903,053,579,054,880/402,744,894.69
  6. Step 6: Final answer
    x = 312,612,413.56

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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.