Home / 1,284,992,916.12-1,773,832,647.06-867,870,190.08

Finding the Fourth Proportional to 1,284,992,916.12, 1,773,832,647.06 and 867,870,190.08

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Solution

The fourth proportional to 1,284,992,916.12, 1,773,832,647.06 and 867,870,190.08 is: 1,198,027,208.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,992,916.12 : 1,773,832,647.06 = 867,870,190.08 : x
  2. Step 2: Convert to fraction form
    1,284,992,916.12/1,773,832,647.06 = 867,870,190.08/x
  3. Step 3: Cross multiply
    1,284,992,916.12x = 1,773,832,647.06 × 867,870,190.08
  4. Step 4: Simplify right side
    1,284,992,916.12x = 1,539,456,476,574,071,808
  5. Step 5: Solve for x
    x = 1,539,456,476,574,071,808/1,284,992,916.12
  6. Step 6: Final answer
    x = 1,198,027,208.76

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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.