Home / 9,206,985,743.92-12,705,616,428.96-5,137,844,785

Finding the Fourth Proportional to 9,206,985,743.92, 12,705,616,428.96 and 5,137,844,785

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Solution

The fourth proportional to 9,206,985,743.92, 12,705,616,428.96 and 5,137,844,785 is: 7,090,212,467.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,206,985,743.92 : 12,705,616,428.96 = 5,137,844,785 : x
  2. Step 2: Convert to fraction form
    9,206,985,743.92/12,705,616,428.96 = 5,137,844,785/x
  3. Step 3: Cross multiply
    9,206,985,743.92x = 12,705,616,428.96 × 5,137,844,785
  4. Step 4: Simplify right side
    9,206,985,743.92x = 65,279,485,109,742,452,736
  5. Step 5: Solve for x
    x = 65,279,485,109,742,452,736/9,206,985,743.92
  6. Step 6: Final answer
    x = 7,090,212,467.51

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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.