Home / 690,564,884.51-1,036,584,714.82-297,286,366.56

Finding the Fourth Proportional to 690,564,884.51, 1,036,584,714.82 and 297,286,366.56

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Solution

The fourth proportional to 690,564,884.51, 1,036,584,714.82 and 297,286,366.56 is: 446,246,993.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,564,884.51 : 1,036,584,714.82 = 297,286,366.56 : x
  2. Step 2: Convert to fraction form
    690,564,884.51/1,036,584,714.82 = 297,286,366.56/x
  3. Step 3: Cross multiply
    690,564,884.51x = 1,036,584,714.82 × 297,286,366.56
  4. Step 4: Simplify right side
    690,564,884.51x = 308,162,503,502,231,616
  5. Step 5: Solve for x
    x = 308,162,503,502,231,616/690,564,884.51
  6. Step 6: Final answer
    x = 446,246,993.46

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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.