Home / 469,526,815.36-704,312,872.98-154,385,866.90

Finding the Fourth Proportional to 469,526,815.36, 704,312,872.98 and 154,385,866.90

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Solution

The fourth proportional to 469,526,815.36, 704,312,872.98 and 154,385,866.90 is: 231,586,247.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,526,815.36 : 704,312,872.98 = 154,385,866.90 : x
  2. Step 2: Convert to fraction form
    469,526,815.36/704,312,872.98 = 154,385,866.90/x
  3. Step 3: Cross multiply
    469,526,815.36x = 704,312,872.98 × 154,385,866.90
  4. Step 4: Simplify right side
    469,526,815.36x = 108,735,953,463,846,896
  5. Step 5: Solve for x
    x = 108,735,953,463,846,896/469,526,815.36
  6. Step 6: Final answer
    x = 231,586,247.91

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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.