Home / 20,872,346,410.80-31,308,519,616.20-7,086,058,282.80

Finding the Fourth Proportional to 20,872,346,410.80, 31,308,519,616.20 and 7,086,058,282.80

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Solution

The fourth proportional to 20,872,346,410.80, 31,308,519,616.20 and 7,086,058,282.80 is: 10,629,087,424.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,872,346,410.80 : 31,308,519,616.20 = 7,086,058,282.80 : x
  2. Step 2: Convert to fraction form
    20,872,346,410.80/31,308,519,616.20 = 7,086,058,282.80/x
  3. Step 3: Cross multiply
    20,872,346,410.80x = 31,308,519,616.20 × 7,086,058,282.80
  4. Step 4: Simplify right side
    20,872,346,410.80x = 221,853,994,748,580,298,752
  5. Step 5: Solve for x
    x = 221,853,994,748,580,298,752/20,872,346,410.80
  6. Step 6: Final answer
    x = 10,629,087,424.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.