Home / 1,508,470,330.80-2,081,870,278.05-913,737,365.04

Finding the Fourth Proportional to 1,508,470,330.80, 2,081,870,278.05 and 913,737,365.04

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Solution

The fourth proportional to 1,508,470,330.80, 2,081,870,278.05 and 913,737,365.04 is: 1,261,067,336.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508,470,330.80 : 2,081,870,278.05 = 913,737,365.04 : x
  2. Step 2: Convert to fraction form
    1,508,470,330.80/2,081,870,278.05 = 913,737,365.04/x
  3. Step 3: Cross multiply
    1,508,470,330.80x = 2,081,870,278.05 × 913,737,365.04
  4. Step 4: Simplify right side
    1,508,470,330.80x = 1,902,282,662,220,498,944
  5. Step 5: Solve for x
    x = 1,902,282,662,220,498,944/1,508,470,330.80
  6. Step 6: Final answer
    x = 1,261,067,336.48

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Double scale
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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.