Home / 399,444,744.60-597,840,012.90-289,958,664.60

Finding the Fourth Proportional to 399,444,744.60, 597,840,012.90 and 289,958,664.60

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Solution

The fourth proportional to 399,444,744.60, 597,840,012.90 and 289,958,664.60 is: 433,974,646.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,444,744.60 : 597,840,012.90 = 289,958,664.60 : x
  2. Step 2: Convert to fraction form
    399,444,744.60/597,840,012.90 = 289,958,664.60/x
  3. Step 3: Cross multiply
    399,444,744.60x = 597,840,012.90 × 289,958,664.60
  4. Step 4: Simplify right side
    399,444,744.60x = 173,348,891,784,930,784
  5. Step 5: Solve for x
    x = 173,348,891,784,930,784/399,444,744.60
  6. Step 6: Final answer
    x = 433,974,646.38

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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.