Home / 11,491,141,985.32-15,857,768,777.08-6,210,744,209.32

Finding the Fourth Proportional to 11,491,141,985.32, 15,857,768,777.08 and 6,210,744,209.32

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Solution

The fourth proportional to 11,491,141,985.32, 15,857,768,777.08 and 6,210,744,209.32 is: 8,570,823,137.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,491,141,985.32 : 15,857,768,777.08 = 6,210,744,209.32 : x
  2. Step 2: Convert to fraction form
    11,491,141,985.32/15,857,768,777.08 = 6,210,744,209.32/x
  3. Step 3: Cross multiply
    11,491,141,985.32x = 15,857,768,777.08 × 6,210,744,209.32
  4. Step 4: Simplify right side
    11,491,141,985.32x = 98,488,545,604,985,110,528
  5. Step 5: Solve for x
    x = 98,488,545,604,985,110,528/11,491,141,985.32
  6. Step 6: Final answer
    x = 8,570,823,137.58

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Double scale
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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.