Home / 595,291,974.86-821,548,939.82-357,146,121.52

Finding the Fourth Proportional to 595,291,974.86, 821,548,939.82 and 357,146,121.52

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Solution

The fourth proportional to 595,291,974.86, 821,548,939.82 and 357,146,121.52 is: 492,889,254.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,291,974.86 : 821,548,939.82 = 357,146,121.52 : x
  2. Step 2: Convert to fraction form
    595,291,974.86/821,548,939.82 = 357,146,121.52/x
  3. Step 3: Cross multiply
    595,291,974.86x = 821,548,939.82 × 357,146,121.52
  4. Step 4: Simplify right side
    595,291,974.86x = 293,413,017,494,822,144
  5. Step 5: Solve for x
    x = 293,413,017,494,822,144/595,291,974.86
  6. Step 6: Final answer
    x = 492,889,254.16

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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.