Home / 1,307,431,065.80-1,804,189,662.19-742,841,371.46

Finding the Fourth Proportional to 1,307,431,065.80, 1,804,189,662.19 and 742,841,371.46

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Solution

The fourth proportional to 1,307,431,065.80, 1,804,189,662.19 and 742,841,371.46 is: 1,025,084,043.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,431,065.80 : 1,804,189,662.19 = 742,841,371.46 : x
  2. Step 2: Convert to fraction form
    1,307,431,065.80/1,804,189,662.19 = 742,841,371.46/x
  3. Step 3: Cross multiply
    1,307,431,065.80x = 1,804,189,662.19 × 742,841,371.46
  4. Step 4: Simplify right side
    1,307,431,065.80x = 1,340,226,723,035,173,888
  5. Step 5: Solve for x
    x = 1,340,226,723,035,173,888/1,307,431,065.80
  6. Step 6: Final answer
    x = 1,025,084,043.12

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Half scale
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Double scale
Find fourth proportional to 1,307,431,066.80, 1,804,189,663.57 and 742,841,372.46
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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.