Home / 590,438,681.58-885,315,377.31-279,543,687.60

Finding the Fourth Proportional to 590,438,681.58, 885,315,377.31 and 279,543,687.60

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Solution

The fourth proportional to 590,438,681.58, 885,315,377.31 and 279,543,687.60 is: 419,153,305.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,438,681.58 : 885,315,377.31 = 279,543,687.60 : x
  2. Step 2: Convert to fraction form
    590,438,681.58/885,315,377.31 = 279,543,687.60/x
  3. Step 3: Cross multiply
    590,438,681.58x = 885,315,377.31 × 279,543,687.60
  4. Step 4: Simplify right side
    590,438,681.58x = 247,484,325,262,222,784
  5. Step 5: Solve for x
    x = 247,484,325,262,222,784/590,438,681.58
  6. Step 6: Final answer
    x = 419,153,305.81

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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.