Home / 1,665,385,688.40-2,496,286,942.20-629,846,437.20

Finding the Fourth Proportional to 1,665,385,688.40, 2,496,286,942.20 and 629,846,437.20

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Solution

The fourth proportional to 1,665,385,688.40, 2,496,286,942.20 and 629,846,437.20 is: 944,092,078.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,665,385,688.40 : 2,496,286,942.20 = 629,846,437.20 : x
  2. Step 2: Convert to fraction form
    1,665,385,688.40/2,496,286,942.20 = 629,846,437.20/x
  3. Step 3: Cross multiply
    1,665,385,688.40x = 2,496,286,942.20 × 629,846,437.20
  4. Step 4: Simplify right side
    1,665,385,688.40x = 1,572,277,436,773,552,384
  5. Step 5: Solve for x
    x = 1,572,277,436,773,552,384/1,665,385,688.40
  6. Step 6: Final answer
    x = 944,092,078.93

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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.