Home / 2,981,139,609.47-4,113,919,288.15-1,624,785,727.91

Finding the Fourth Proportional to 2,981,139,609.47, 4,113,919,288.15 and 1,624,785,727.91

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Solution

The fourth proportional to 2,981,139,609.47, 4,113,919,288.15 and 1,624,785,727.91 is: 2,242,175,215.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,981,139,609.47 : 4,113,919,288.15 = 1,624,785,727.91 : x
  2. Step 2: Convert to fraction form
    2,981,139,609.47/4,113,919,288.15 = 1,624,785,727.91/x
  3. Step 3: Cross multiply
    2,981,139,609.47x = 4,113,919,288.15 × 1,624,785,727.91
  4. Step 4: Simplify right side
    2,981,139,609.47x = 6,684,237,345,135,155,200
  5. Step 5: Solve for x
    x = 6,684,237,345,135,155,200/2,981,139,609.47
  6. Step 6: Final answer
    x = 2,242,175,215.11

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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.