Home / 590,438,669.63-885,315,359.34-279,543,675.56

Finding the Fourth Proportional to 590,438,669.63, 885,315,359.34 and 279,543,675.56

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Solution

The fourth proportional to 590,438,669.63, 885,315,359.34 and 279,543,675.56 is: 419,153,287.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,438,669.63 : 885,315,359.34 = 279,543,675.56 : x
  2. Step 2: Convert to fraction form
    590,438,669.63/885,315,359.34 = 279,543,675.56/x
  3. Step 3: Cross multiply
    590,438,669.63x = 885,315,359.34 × 279,543,675.56
  4. Step 4: Simplify right side
    590,438,669.63x = 247,484,309,575,199,200
  5. Step 5: Solve for x
    x = 247,484,309,575,199,200/590,438,669.63
  6. Step 6: Final answer
    x = 419,153,287.73

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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.