Home / 469,617,700.80-704,513,149.20-154,501,472.55

Finding the Fourth Proportional to 469,617,700.80, 704,513,149.20 and 154,501,472.55

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Solution

The fourth proportional to 469,617,700.80, 704,513,149.20 and 154,501,472.55 is: 231,780,699.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,617,700.80 : 704,513,149.20 = 154,501,472.55 : x
  2. Step 2: Convert to fraction form
    469,617,700.80/704,513,149.20 = 154,501,472.55/x
  3. Step 3: Cross multiply
    469,617,700.80x = 704,513,149.20 × 154,501,472.55
  4. Step 4: Simplify right side
    469,617,700.80x = 108,848,318,982,237,872
  5. Step 5: Solve for x
    x = 108,848,318,982,237,872/469,617,700.80
  6. Step 6: Final answer
    x = 231,780,699.06

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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.