Home / 870,940,468.40-1,308,357,121.80-727,613,236.40

Finding the Fourth Proportional to 870,940,468.40, 1,308,357,121.80 and 727,613,236.40

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Solution

The fourth proportional to 870,940,468.40, 1,308,357,121.80 and 727,613,236.40 is: 1,093,045,959.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,940,468.40 : 1,308,357,121.80 = 727,613,236.40 : x
  2. Step 2: Convert to fraction form
    870,940,468.40/1,308,357,121.80 = 727,613,236.40/x
  3. Step 3: Cross multiply
    870,940,468.40x = 1,308,357,121.80 × 727,613,236.40
  4. Step 4: Simplify right side
    870,940,468.40x = 951,977,959,759,886,976
  5. Step 5: Solve for x
    x = 951,977,959,759,886,976/870,940,468.40
  6. Step 6: Final answer
    x = 1,093,045,959.28

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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.