Home / 1,439,877,724.61-2,159,816,592.22-404,738,605.56

Finding the Fourth Proportional to 1,439,877,724.61, 2,159,816,592.22 and 404,738,605.56

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Solution

The fourth proportional to 1,439,877,724.61, 2,159,816,592.22 and 404,738,605.56 is: 607,107,909.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,877,724.61 : 2,159,816,592.22 = 404,738,605.56 : x
  2. Step 2: Convert to fraction form
    1,439,877,724.61/2,159,816,592.22 = 404,738,605.56/x
  3. Step 3: Cross multiply
    1,439,877,724.61x = 2,159,816,592.22 × 404,738,605.56
  4. Step 4: Simplify right side
    1,439,877,724.61x = 874,161,155,797,665,408
  5. Step 5: Solve for x
    x = 874,161,155,797,665,408/1,439,877,724.61
  6. Step 6: Final answer
    x = 607,107,909.83

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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.