Home / 12,315,165,904.53-16,996,195,636.72-7,492,873,239.13

Finding the Fourth Proportional to 12,315,165,904.53, 16,996,195,636.72 and 7,492,873,239.13

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Solution

The fourth proportional to 12,315,165,904.53, 16,996,195,636.72 and 7,492,873,239.13 is: 10,340,935,756.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,315,165,904.53 : 16,996,195,636.72 = 7,492,873,239.13 : x
  2. Step 2: Convert to fraction form
    12,315,165,904.53/16,996,195,636.72 = 7,492,873,239.13/x
  3. Step 3: Cross multiply
    12,315,165,904.53x = 16,996,195,636.72 × 7,492,873,239.13
  4. Step 4: Simplify right side
    12,315,165,904.53x = 127,350,339,453,397,352,448
  5. Step 5: Solve for x
    x = 127,350,339,453,397,352,448/12,315,165,904.53
  6. Step 6: Final answer
    x = 10,340,935,756.83

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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.