Home / 669,131,575.59-923,426,494.90-401,251,021.65

Finding the Fourth Proportional to 669,131,575.59, 923,426,494.90 and 401,251,021.65

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Solution

The fourth proportional to 669,131,575.59, 923,426,494.90 and 401,251,021.65 is: 553,741,353.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,131,575.59 : 923,426,494.90 = 401,251,021.65 : x
  2. Step 2: Convert to fraction form
    669,131,575.59/923,426,494.90 = 401,251,021.65/x
  3. Step 3: Cross multiply
    669,131,575.59x = 923,426,494.90 × 401,251,021.65
  4. Step 4: Simplify right side
    669,131,575.59x = 370,525,824,496,300,352
  5. Step 5: Solve for x
    x = 370,525,824,496,300,352/669,131,575.59
  6. Step 6: Final answer
    x = 553,741,353.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.