Home / 556,022,192.28-767,316,413.61-305,142,833.45

Finding the Fourth Proportional to 556,022,192.28, 767,316,413.61 and 305,142,833.45

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Solution

The fourth proportional to 556,022,192.28, 767,316,413.61 and 305,142,833.45 is: 421,100,286.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,022,192.28 : 767,316,413.61 = 305,142,833.45 : x
  2. Step 2: Convert to fraction form
    556,022,192.28/767,316,413.61 = 305,142,833.45/x
  3. Step 3: Cross multiply
    556,022,192.28x = 767,316,413.61 × 305,142,833.45
  4. Step 4: Simplify right side
    556,022,192.28x = 234,141,104,597,810,976
  5. Step 5: Solve for x
    x = 234,141,104,597,810,976/556,022,192.28
  6. Step 6: Final answer
    x = 421,100,286.73

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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.