Home / 518,035,156.56-714,961,433.16-329,803,322.76

Finding the Fourth Proportional to 518,035,156.56, 714,961,433.16 and 329,803,322.76

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Solution

The fourth proportional to 518,035,156.56, 714,961,433.16 and 329,803,322.76 is: 455,175,007.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,035,156.56 : 714,961,433.16 = 329,803,322.76 : x
  2. Step 2: Convert to fraction form
    518,035,156.56/714,961,433.16 = 329,803,322.76/x
  3. Step 3: Cross multiply
    518,035,156.56x = 714,961,433.16 × 329,803,322.76
  4. Step 4: Simplify right side
    518,035,156.56x = 235,796,656,301,419,616
  5. Step 5: Solve for x
    x = 235,796,656,301,419,616/518,035,156.56
  6. Step 6: Final answer
    x = 455,175,007.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.