Home / 998,570,462.40-1,494,936,064.80-711,915,998.40

Finding the Fourth Proportional to 998,570,462.40, 1,494,936,064.80 and 711,915,998.40

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Solution

The fourth proportional to 998,570,462.40, 1,494,936,064.80 and 711,915,998.40 is: 1,065,792,491.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,570,462.40 : 1,494,936,064.80 = 711,915,998.40 : x
  2. Step 2: Convert to fraction form
    998,570,462.40/1,494,936,064.80 = 711,915,998.40/x
  3. Step 3: Cross multiply
    998,570,462.40x = 1,494,936,064.80 × 711,915,998.40
  4. Step 4: Simplify right side
    998,570,462.40x = 1,064,268,901,116,259,072
  5. Step 5: Solve for x
    x = 1,064,268,901,116,259,072/998,570,462.40
  6. Step 6: Final answer
    x = 1,065,792,491.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.