Home / 424,097,087.40-636,145,631.10-295,102,578.60

Finding the Fourth Proportional to 424,097,087.40, 636,145,631.10 and 295,102,578.60

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Solution

The fourth proportional to 424,097,087.40, 636,145,631.10 and 295,102,578.60 is: 442,653,867.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,097,087.40 : 636,145,631.10 = 295,102,578.60 : x
  2. Step 2: Convert to fraction form
    424,097,087.40/636,145,631.10 = 295,102,578.60/x
  3. Step 3: Cross multiply
    424,097,087.40x = 636,145,631.10 × 295,102,578.60
  4. Step 4: Simplify right side
    424,097,087.40x = 187,728,216,102,734,368
  5. Step 5: Solve for x
    x = 187,728,216,102,734,368/424,097,087.40
  6. Step 6: Final answer
    x = 442,653,867.90

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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.