Home / 9,206,985,674.15-12,705,616,332.65-5,137,844,715.22

Finding the Fourth Proportional to 9,206,985,674.15, 12,705,616,332.65 and 5,137,844,715.22

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Solution

The fourth proportional to 9,206,985,674.15, 12,705,616,332.65 and 5,137,844,715.22 is: 7,090,212,371.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,206,985,674.15 : 12,705,616,332.65 = 5,137,844,715.22 : x
  2. Step 2: Convert to fraction form
    9,206,985,674.15/12,705,616,332.65 = 5,137,844,715.22/x
  3. Step 3: Cross multiply
    9,206,985,674.15x = 12,705,616,332.65 × 5,137,844,715.22
  4. Step 4: Simplify right side
    9,206,985,674.15x = 65,279,483,728,295,682,048
  5. Step 5: Solve for x
    x = 65,279,483,728,295,682,048/9,206,985,674.15
  6. Step 6: Final answer
    x = 7,090,212,371.19

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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.