Home / 395,678,465.40-593,517,698.10-191,605,121.40

Finding the Fourth Proportional to 395,678,465.40, 593,517,698.10 and 191,605,121.40

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Solution

The fourth proportional to 395,678,465.40, 593,517,698.10 and 191,605,121.40 is: 287,407,682.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,678,465.40 : 593,517,698.10 = 191,605,121.40 : x
  2. Step 2: Convert to fraction form
    395,678,465.40/593,517,698.10 = 191,605,121.40/x
  3. Step 3: Cross multiply
    395,678,465.40x = 593,517,698.10 × 191,605,121.40
  4. Step 4: Simplify right side
    395,678,465.40x = 113,721,030,597,499,056
  5. Step 5: Solve for x
    x = 113,721,030,597,499,056/395,678,465.40
  6. Step 6: Final answer
    x = 287,407,682.10

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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.