Home / 590,438,641.39-885,315,317.05-279,543,647.32

Finding the Fourth Proportional to 590,438,641.39, 885,315,317.05 and 279,543,647.32

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Solution

The fourth proportional to 590,438,641.39, 885,315,317.05 and 279,543,647.32 is: 419,153,245.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,438,641.39 : 885,315,317.05 = 279,543,647.32 : x
  2. Step 2: Convert to fraction form
    590,438,641.39/885,315,317.05 = 279,543,647.32/x
  3. Step 3: Cross multiply
    590,438,641.39x = 885,315,317.05 × 279,543,647.32
  4. Step 4: Simplify right side
    590,438,641.39x = 247,484,272,756,419,168
  5. Step 5: Solve for x
    x = 247,484,272,756,419,168/590,438,641.39
  6. Step 6: Final answer
    x = 419,153,245.41

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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.