Home / 384,520,408.92-575,824,019.55-268,963,877.88

Finding the Fourth Proportional to 384,520,408.92, 575,824,019.55 and 268,963,877.88

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Solution

The fourth proportional to 384,520,408.92, 575,824,019.55 and 268,963,877.88 is: 402,776,699.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,520,408.92 : 575,824,019.55 = 268,963,877.88 : x
  2. Step 2: Convert to fraction form
    384,520,408.92/575,824,019.55 = 268,963,877.88/x
  3. Step 3: Cross multiply
    384,520,408.92x = 575,824,019.55 × 268,963,877.88
  4. Step 4: Simplify right side
    384,520,408.92x = 154,875,861,274,616,928
  5. Step 5: Solve for x
    x = 154,875,861,274,616,928/384,520,408.92
  6. Step 6: Final answer
    x = 402,776,699.71

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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.