Home / 452,289,337.70-678,434,006.55-406,372,835.30

Finding the Fourth Proportional to 452,289,337.70, 678,434,006.55 and 406,372,835.30

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Solution

The fourth proportional to 452,289,337.70, 678,434,006.55 and 406,372,835.30 is: 609,559,252.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,289,337.70 : 678,434,006.55 = 406,372,835.30 : x
  2. Step 2: Convert to fraction form
    452,289,337.70/678,434,006.55 = 406,372,835.30/x
  3. Step 3: Cross multiply
    452,289,337.70x = 678,434,006.55 × 406,372,835.30
  4. Step 4: Simplify right side
    452,289,337.70x = 275,697,150,805,662,272
  5. Step 5: Solve for x
    x = 275,697,150,805,662,272/452,289,337.70
  6. Step 6: Final answer
    x = 609,559,252.95

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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.