Home / 12,623,647,847.12-17,420,654,436.36-6,985,101,352.40

Finding the Fourth Proportional to 12,623,647,847.12, 17,420,654,436.36 and 6,985,101,352.40

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Solution

The fourth proportional to 12,623,647,847.12, 17,420,654,436.36 and 6,985,101,352.40 is: 9,639,451,158.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,623,647,847.12 : 17,420,654,436.36 = 6,985,101,352.40 : x
  2. Step 2: Convert to fraction form
    12,623,647,847.12/17,420,654,436.36 = 6,985,101,352.40/x
  3. Step 3: Cross multiply
    12,623,647,847.12x = 17,420,654,436.36 × 6,985,101,352.40
  4. Step 4: Simplify right side
    12,623,647,847.12x = 121,685,036,863,111,299,072
  5. Step 5: Solve for x
    x = 121,685,036,863,111,299,072/12,623,647,847.12
  6. Step 6: Final answer
    x = 9,639,451,158.40

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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.