Home / 946,846,072.80-1,306,687,933.89-529,158,345.80

Finding the Fourth Proportional to 946,846,072.80, 1,306,687,933.89 and 529,158,345.80

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Solution

The fourth proportional to 946,846,072.80, 1,306,687,933.89 and 529,158,345.80 is: 730,261,069.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,846,072.80 : 1,306,687,933.89 = 529,158,345.80 : x
  2. Step 2: Convert to fraction form
    946,846,072.80/1,306,687,933.89 = 529,158,345.80/x
  3. Step 3: Cross multiply
    946,846,072.80x = 1,306,687,933.89 × 529,158,345.80
  4. Step 4: Simplify right side
    946,846,072.80x = 691,444,825,567,518,848
  5. Step 5: Solve for x
    x = 691,444,825,567,518,848/946,846,072.80
  6. Step 6: Final answer
    x = 730,261,069.28

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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.