Home / 13,082,367,962.88-18,053,575,949.16-7,141,920,464.88

Finding the Fourth Proportional to 13,082,367,962.88, 18,053,575,949.16 and 7,141,920,464.88

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Solution

The fourth proportional to 13,082,367,962.88, 18,053,575,949.16 and 7,141,920,464.88 is: 9,855,800,104.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,082,367,962.88 : 18,053,575,949.16 = 7,141,920,464.88 : x
  2. Step 2: Convert to fraction form
    13,082,367,962.88/18,053,575,949.16 = 7,141,920,464.88/x
  3. Step 3: Cross multiply
    13,082,367,962.88x = 18,053,575,949.16 × 7,141,920,464.88
  4. Step 4: Simplify right side
    13,082,367,962.88x = 128,937,203,535,571,173,376
  5. Step 5: Solve for x
    x = 128,937,203,535,571,173,376/13,082,367,962.88
  6. Step 6: Final answer
    x = 9,855,800,104.49

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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.