Home / 484,472,922.40-726,877,345.20-212,039,207.20

Finding the Fourth Proportional to 484,472,922.40, 726,877,345.20 and 212,039,207.20

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Solution

The fourth proportional to 484,472,922.40, 726,877,345.20 and 212,039,207.20 is: 318,132,322.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,472,922.40 : 726,877,345.20 = 212,039,207.20 : x
  2. Step 2: Convert to fraction form
    484,472,922.40/726,877,345.20 = 212,039,207.20/x
  3. Step 3: Cross multiply
    484,472,922.40x = 726,877,345.20 × 212,039,207.20
  4. Step 4: Simplify right side
    484,472,922.40x = 154,126,496,007,848,736
  5. Step 5: Solve for x
    x = 154,126,496,007,848,736/484,472,922.40
  6. Step 6: Final answer
    x = 318,132,322.53

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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.