Home / 384,520,405.91-575,824,015.06-268,963,874.87

Finding the Fourth Proportional to 384,520,405.91, 575,824,015.06 and 268,963,874.87

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Solution

The fourth proportional to 384,520,405.91, 575,824,015.06 and 268,963,874.87 is: 402,776,695.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,520,405.91 : 575,824,015.06 = 268,963,874.87 : x
  2. Step 2: Convert to fraction form
    384,520,405.91/575,824,015.06 = 268,963,874.87/x
  3. Step 3: Cross multiply
    384,520,405.91x = 575,824,015.06 × 268,963,874.87
  4. Step 4: Simplify right side
    384,520,405.91x = 154,875,858,330,187,328
  5. Step 5: Solve for x
    x = 154,875,858,330,187,328/384,520,405.91
  6. Step 6: Final answer
    x = 402,776,695.21

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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.