Home / 340,505,817.20-510,830,459-110,456,939.12

Finding the Fourth Proportional to 340,505,817.20, 510,830,459 and 110,456,939.12

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Solution

The fourth proportional to 340,505,817.20, 510,830,459 and 110,456,939.12 is: 165,708,678.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,505,817.20 : 510,830,459 = 110,456,939.12 : x
  2. Step 2: Convert to fraction form
    340,505,817.20/510,830,459 = 110,456,939.12/x
  3. Step 3: Cross multiply
    340,505,817.20x = 510,830,459 × 110,456,939.12
  4. Step 4: Simplify right side
    340,505,817.20x = 56,424,768,910,404,656
  5. Step 5: Solve for x
    x = 56,424,768,910,404,656/340,505,817.20
  6. Step 6: Final answer
    x = 165,708,678.27

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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.