Home / 581,379,498.90-871,717,994-231,679,365.30

Finding the Fourth Proportional to 581,379,498.90, 871,717,994 and 231,679,365.30

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Solution

The fourth proportional to 581,379,498.90, 871,717,994 and 231,679,365.30 is: 347,379,073.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,379,498.90 : 871,717,994 = 231,679,365.30 : x
  2. Step 2: Convert to fraction form
    581,379,498.90/871,717,994 = 231,679,365.30/x
  3. Step 3: Cross multiply
    581,379,498.90x = 871,717,994 × 231,679,365.30
  4. Step 4: Simplify right side
    581,379,498.90x = 201,959,071,570,509,216
  5. Step 5: Solve for x
    x = 201,959,071,570,509,216/581,379,498.90
  6. Step 6: Final answer
    x = 347,379,073.31

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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.