Home / 325,875,677.76-485,743,599.03-299,724,843.96

Finding the Fourth Proportional to 325,875,677.76, 485,743,599.03 and 299,724,843.96

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Solution

The fourth proportional to 325,875,677.76, 485,743,599.03 and 299,724,843.96 is: 446,763,702.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,875,677.76 : 485,743,599.03 = 299,724,843.96 : x
  2. Step 2: Convert to fraction form
    325,875,677.76/485,743,599.03 = 299,724,843.96/x
  3. Step 3: Cross multiply
    325,875,677.76x = 485,743,599.03 × 299,724,843.96
  4. Step 4: Simplify right side
    325,875,677.76x = 145,589,424,423,835,552
  5. Step 5: Solve for x
    x = 145,589,424,423,835,552/325,875,677.76
  6. Step 6: Final answer
    x = 446,763,702.72

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.