Home / 198,815,539,494.58-298,223,313,187.90-47,721,840,875.38

Finding the Fourth Proportional to 198,815,539,494.58, 298,223,313,187.90 and 47,721,840,875.38

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Solution

The fourth proportional to 198,815,539,494.58, 298,223,313,187.90 and 47,721,840,875.38 is: 71,582,762,260.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,815,539,494.58 : 298,223,313,187.90 = 47,721,840,875.38 : x
  2. Step 2: Convert to fraction form
    198,815,539,494.58/298,223,313,187.90 = 47,721,840,875.38/x
  3. Step 3: Cross multiply
    198,815,539,494.58x = 298,223,313,187.90 × 47,721,840,875.38
  4. Step 4: Simplify right side
    198,815,539,494.58x = 14,231,765,497,282,176,221,184
  5. Step 5: Solve for x
    x = 14,231,765,497,282,176,221,184/198,815,539,494.58
  6. Step 6: Final answer
    x = 71,582,762,260.24

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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.