Home / 828,656,403.23-1,143,375,129.23-476,164,292.72

Finding the Fourth Proportional to 828,656,403.23, 1,143,375,129.23 and 476,164,292.72

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Solution

The fourth proportional to 828,656,403.23, 1,143,375,129.23 and 476,164,292.72 is: 657,008,631.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,656,403.23 : 1,143,375,129.23 = 476,164,292.72 : x
  2. Step 2: Convert to fraction form
    828,656,403.23/1,143,375,129.23 = 476,164,292.72/x
  3. Step 3: Cross multiply
    828,656,403.23x = 1,143,375,129.23 × 476,164,292.72
  4. Step 4: Simplify right side
    828,656,403.23x = 544,434,409,715,343,744
  5. Step 5: Solve for x
    x = 544,434,409,715,343,744/828,656,403.23
  6. Step 6: Final answer
    x = 657,008,631.79

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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.