Home / 581,379,497.40-871,717,991.75-231,679,363.80

Finding the Fourth Proportional to 581,379,497.40, 871,717,991.75 and 231,679,363.80

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Solution

The fourth proportional to 581,379,497.40, 871,717,991.75 and 231,679,363.80 is: 347,379,071.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,379,497.40 : 871,717,991.75 = 231,679,363.80 : x
  2. Step 2: Convert to fraction form
    581,379,497.40/871,717,991.75 = 231,679,363.80/x
  3. Step 3: Cross multiply
    581,379,497.40x = 871,717,991.75 × 231,679,363.80
  4. Step 4: Simplify right side
    581,379,497.40x = 201,959,069,741,653,664
  5. Step 5: Solve for x
    x = 201,959,069,741,653,664/581,379,497.40
  6. Step 6: Final answer
    x = 347,379,071.06

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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.