Home / 552,409,143.79-828,979,686.99-303,588,166.54

Finding the Fourth Proportional to 552,409,143.79, 828,979,686.99 and 303,588,166.54

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Solution

The fourth proportional to 552,409,143.79, 828,979,686.99 and 303,588,166.54 is: 455,583,377.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,409,143.79 : 828,979,686.99 = 303,588,166.54 : x
  2. Step 2: Convert to fraction form
    552,409,143.79/828,979,686.99 = 303,588,166.54/x
  3. Step 3: Cross multiply
    552,409,143.79x = 828,979,686.99 × 303,588,166.54
  4. Step 4: Simplify right side
    552,409,143.79x = 251,668,423,268,650,720
  5. Step 5: Solve for x
    x = 251,668,423,268,650,720/552,409,143.79
  6. Step 6: Final answer
    x = 455,583,377.10

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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.