Home / 1,340,159,775,987.20-1,849,417,972,383.20-731,171,500,481.12

Finding the Fourth Proportional to 1,340,159,775,987.20, 1,849,417,972,383.20 and 731,171,500,481.12

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Solution

The fourth proportional to 1,340,159,775,987.20, 1,849,417,972,383.20 and 731,171,500,481.12 is: 1,009,015,296,618.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,159,775,987.20 : 1,849,417,972,383.20 = 731,171,500,481.12 : x
  2. Step 2: Convert to fraction form
    1,340,159,775,987.20/1,849,417,972,383.20 = 731,171,500,481.12/x
  3. Step 3: Cross multiply
    1,340,159,775,987.20x = 1,849,417,972,383.20 × 731,171,500,481.12
  4. Step 4: Simplify right side
    1,340,159,775,987.20x = 1,352,241,713,884,174,869,331,968
  5. Step 5: Solve for x
    x = 1,352,241,713,884,174,869,331,968/1,340,159,775,987.20
  6. Step 6: Final answer
    x = 1,009,015,296,618.70

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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.