Home / 9,206,985,666.80-12,705,616,322.49-5,137,844,707.86

Finding the Fourth Proportional to 9,206,985,666.80, 12,705,616,322.49 and 5,137,844,707.86

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Solution

The fourth proportional to 9,206,985,666.80, 12,705,616,322.49 and 5,137,844,707.86 is: 7,090,212,361.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,206,985,666.80 : 12,705,616,322.49 = 5,137,844,707.86 : x
  2. Step 2: Convert to fraction form
    9,206,985,666.80/12,705,616,322.49 = 5,137,844,707.86/x
  3. Step 3: Cross multiply
    9,206,985,666.80x = 12,705,616,322.49 × 5,137,844,707.86
  4. Step 4: Simplify right side
    9,206,985,666.80x = 65,279,483,582,604,877,824
  5. Step 5: Solve for x
    x = 65,279,483,582,604,877,824/9,206,985,666.80
  6. Step 6: Final answer
    x = 7,090,212,361.04

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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.