Home / 493,274,331.60-680,632,050.14-281,484,464.28

Finding the Fourth Proportional to 493,274,331.60, 680,632,050.14 and 281,484,464.28

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Solution

The fourth proportional to 493,274,331.60, 680,632,050.14 and 281,484,464.28 is: 388,399,184.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,274,331.60 : 680,632,050.14 = 281,484,464.28 : x
  2. Step 2: Convert to fraction form
    493,274,331.60/680,632,050.14 = 281,484,464.28/x
  3. Step 3: Cross multiply
    493,274,331.60x = 680,632,050.14 × 281,484,464.28
  4. Step 4: Simplify right side
    493,274,331.60x = 191,587,348,005,455,968
  5. Step 5: Solve for x
    x = 191,587,348,005,455,968/493,274,331.60
  6. Step 6: Final answer
    x = 388,399,184.25

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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.