Home / 440,282,811.60-660,424,217.40-295,163,989.20

Finding the Fourth Proportional to 440,282,811.60, 660,424,217.40 and 295,163,989.20

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Solution

The fourth proportional to 440,282,811.60, 660,424,217.40 and 295,163,989.20 is: 442,745,983.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,282,811.60 : 660,424,217.40 = 295,163,989.20 : x
  2. Step 2: Convert to fraction form
    440,282,811.60/660,424,217.40 = 295,163,989.20/x
  3. Step 3: Cross multiply
    440,282,811.60x = 660,424,217.40 × 295,163,989.20
  4. Step 4: Simplify right side
    440,282,811.60x = 194,933,446,572,072,032
  5. Step 5: Solve for x
    x = 194,933,446,572,072,032/440,282,811.60
  6. Step 6: Final answer
    x = 442,745,983.80

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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.