Home / 474,510,818.25-711,879,866.63-198,008,220.13

Finding the Fourth Proportional to 474,510,818.25, 711,879,866.63 and 198,008,220.13

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Solution

The fourth proportional to 474,510,818.25, 711,879,866.63 and 198,008,220.13 is: 297,059,750.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,510,818.25 : 711,879,866.63 = 198,008,220.13 : x
  2. Step 2: Convert to fraction form
    474,510,818.25/711,879,866.63 = 198,008,220.13/x
  3. Step 3: Cross multiply
    474,510,818.25x = 711,879,866.63 × 198,008,220.13
  4. Step 4: Simplify right side
    474,510,818.25x = 140,958,065,335,760,864
  5. Step 5: Solve for x
    x = 140,958,065,335,760,864/474,510,818.25
  6. Step 6: Final answer
    x = 297,059,750.62

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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.