Home / 609,724,884.56-841,420,339.46-345,406,877.25

Finding the Fourth Proportional to 609,724,884.56, 841,420,339.46 and 345,406,877.25

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Solution

The fourth proportional to 609,724,884.56, 841,420,339.46 and 345,406,877.25 is: 476,661,489.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,724,884.56 : 841,420,339.46 = 345,406,877.25 : x
  2. Step 2: Convert to fraction form
    609,724,884.56/841,420,339.46 = 345,406,877.25/x
  3. Step 3: Cross multiply
    609,724,884.56x = 841,420,339.46 × 345,406,877.25
  4. Step 4: Simplify right side
    609,724,884.56x = 290,632,371,904,978,240
  5. Step 5: Solve for x
    x = 290,632,371,904,978,240/609,724,884.56
  6. Step 6: Final answer
    x = 476,661,489.91

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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.