Home / 469,952,628.08-648,552,129.24-281,811,553.16

Finding the Fourth Proportional to 469,952,628.08, 648,552,129.24 and 281,811,553.16

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Solution

The fourth proportional to 469,952,628.08, 648,552,129.24 and 281,811,553.16 is: 388,910,438.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,952,628.08 : 648,552,129.24 = 281,811,553.16 : x
  2. Step 2: Convert to fraction form
    469,952,628.08/648,552,129.24 = 281,811,553.16/x
  3. Step 3: Cross multiply
    469,952,628.08x = 648,552,129.24 × 281,811,553.16
  4. Step 4: Simplify right side
    469,952,628.08x = 182,769,482,846,349,472
  5. Step 5: Solve for x
    x = 182,769,482,846,349,472/469,952,628.08
  6. Step 6: Final answer
    x = 388,910,438.89

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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.