Home / 442,675,405.70-664,013,108.55-155,461,069.70

Finding the Fourth Proportional to 442,675,405.70, 664,013,108.55 and 155,461,069.70

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Solution

The fourth proportional to 442,675,405.70, 664,013,108.55 and 155,461,069.70 is: 233,191,604.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,675,405.70 : 664,013,108.55 = 155,461,069.70 : x
  2. Step 2: Convert to fraction form
    442,675,405.70/664,013,108.55 = 155,461,069.70/x
  3. Step 3: Cross multiply
    442,675,405.70x = 664,013,108.55 × 155,461,069.70
  4. Step 4: Simplify right side
    442,675,405.70x = 103,228,188,150,005,200
  5. Step 5: Solve for x
    x = 103,228,188,150,005,200/442,675,405.70
  6. Step 6: Final answer
    x = 233,191,604.55

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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.