Home / 15,860,878,519.80-21,889,617,790.08-9,087,595,535.88

Finding the Fourth Proportional to 15,860,878,519.80, 21,889,617,790.08 and 9,087,595,535.88

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Solution

The fourth proportional to 15,860,878,519.80, 21,889,617,790.08 and 9,087,595,535.88 is: 12,541,801,682.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,860,878,519.80 : 21,889,617,790.08 = 9,087,595,535.88 : x
  2. Step 2: Convert to fraction form
    15,860,878,519.80/21,889,617,790.08 = 9,087,595,535.88/x
  3. Step 3: Cross multiply
    15,860,878,519.80x = 21,889,617,790.08 × 9,087,595,535.88
  4. Step 4: Simplify right side
    15,860,878,519.80x = 198,923,992,911,250,423,808
  5. Step 5: Solve for x
    x = 198,923,992,911,250,423,808/15,860,878,519.80
  6. Step 6: Final answer
    x = 12,541,801,682.86

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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.