Home / 690,564,898.32-1,036,584,735.50-297,286,380.37

Finding the Fourth Proportional to 690,564,898.32, 1,036,584,735.50 and 297,286,380.37

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Solution

The fourth proportional to 690,564,898.32, 1,036,584,735.50 and 297,286,380.37 is: 446,247,014.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,564,898.32 : 1,036,584,735.50 = 297,286,380.37 : x
  2. Step 2: Convert to fraction form
    690,564,898.32/1,036,584,735.50 = 297,286,380.37/x
  3. Step 3: Cross multiply
    690,564,898.32x = 1,036,584,735.50 × 297,286,380.37
  4. Step 4: Simplify right side
    690,564,898.32x = 308,162,523,963,588,864
  5. Step 5: Solve for x
    x = 308,162,523,963,588,864/690,564,898.32
  6. Step 6: Final answer
    x = 446,247,014.17

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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.