Home / 625,018,644.62-862,446,453.65-342,686,790.37

Finding the Fourth Proportional to 625,018,644.62, 862,446,453.65 and 342,686,790.37

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Solution

The fourth proportional to 625,018,644.62, 862,446,453.65 and 342,686,790.37 is: 472,864,305.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,018,644.62 : 862,446,453.65 = 342,686,790.37 : x
  2. Step 2: Convert to fraction form
    625,018,644.62/862,446,453.65 = 342,686,790.37/x
  3. Step 3: Cross multiply
    625,018,644.62x = 862,446,453.65 × 342,686,790.37
  4. Step 4: Simplify right side
    625,018,644.62x = 295,549,007,070,320,320
  5. Step 5: Solve for x
    x = 295,549,007,070,320,320/625,018,644.62
  6. Step 6: Final answer
    x = 472,864,305.11

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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.