Home / 1,508,470,316.80-2,081,870,258.52-913,737,350.86

Finding the Fourth Proportional to 1,508,470,316.80, 2,081,870,258.52 and 913,737,350.86

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Solution

The fourth proportional to 1,508,470,316.80, 2,081,870,258.52 and 913,737,350.86 is: 1,261,067,316.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508,470,316.80 : 2,081,870,258.52 = 913,737,350.86 : x
  2. Step 2: Convert to fraction form
    1,508,470,316.80/2,081,870,258.52 = 913,737,350.86/x
  3. Step 3: Cross multiply
    1,508,470,316.80x = 2,081,870,258.52 × 913,737,350.86
  4. Step 4: Simplify right side
    1,508,470,316.80x = 1,902,282,614,854,288,128
  5. Step 5: Solve for x
    x = 1,902,282,614,854,288,128/1,508,470,316.80
  6. Step 6: Final answer
    x = 1,261,067,316.78

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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.