Home / 1,307,431,066.30-1,804,189,662.88-742,841,371.96

Finding the Fourth Proportional to 1,307,431,066.30, 1,804,189,662.88 and 742,841,371.96

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Solution

The fourth proportional to 1,307,431,066.30, 1,804,189,662.88 and 742,841,371.96 is: 1,025,084,043.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,431,066.30 : 1,804,189,662.88 = 742,841,371.96 : x
  2. Step 2: Convert to fraction form
    1,307,431,066.30/1,804,189,662.88 = 742,841,371.96/x
  3. Step 3: Cross multiply
    1,307,431,066.30x = 1,804,189,662.88 × 742,841,371.96
  4. Step 4: Simplify right side
    1,307,431,066.30x = 1,340,226,724,449,829,120
  5. Step 5: Solve for x
    x = 1,340,226,724,449,829,120/1,307,431,066.30
  6. Step 6: Final answer
    x = 1,025,084,043.81

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Half scale
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Double scale
Find fourth proportional to 1,307,431,067.30, 1,804,189,664.26 and 742,841,372.96
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1.5x scale

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.