Home / 690,564,899.32-1,036,584,737-297,286,381.38

Finding the Fourth Proportional to 690,564,899.32, 1,036,584,737 and 297,286,381.38

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Solution

The fourth proportional to 690,564,899.32, 1,036,584,737 and 297,286,381.38 is: 446,247,015.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,564,899.32 : 1,036,584,737 = 297,286,381.38 : x
  2. Step 2: Convert to fraction form
    690,564,899.32/1,036,584,737 = 297,286,381.38/x
  3. Step 3: Cross multiply
    690,564,899.32x = 1,036,584,737 × 297,286,381.38
  4. Step 4: Simplify right side
    690,564,899.32x = 308,162,525,456,468,992
  5. Step 5: Solve for x
    x = 308,162,525,456,468,992/690,564,899.32
  6. Step 6: Final answer
    x = 446,247,015.68

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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.