Home / 1,528,224,572.86-2,108,957,052.42-868,211,067.58

Finding the Fourth Proportional to 1,528,224,572.86, 2,108,957,052.42 and 868,211,067.58

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Solution

The fourth proportional to 1,528,224,572.86, 2,108,957,052.42 and 868,211,067.58 is: 1,198,135,330.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,224,572.86 : 2,108,957,052.42 = 868,211,067.58 : x
  2. Step 2: Convert to fraction form
    1,528,224,572.86/2,108,957,052.42 = 868,211,067.58/x
  3. Step 3: Cross multiply
    1,528,224,572.86x = 2,108,957,052.42 × 868,211,067.58
  4. Step 4: Simplify right side
    1,528,224,572.86x = 1,831,019,853,956,665,856
  5. Step 5: Solve for x
    x = 1,831,019,853,956,665,856/1,528,224,572.86
  6. Step 6: Final answer
    x = 1,198,135,330.68

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Double scale
Find fourth proportional to 1,528,224,573.86, 2,108,957,053.80 and 868,211,068.58
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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.