Home / 13,814,580,975.12-19,064,179,183.44-7,470,948,807.78

Finding the Fourth Proportional to 13,814,580,975.12, 19,064,179,183.44 and 7,470,948,807.78

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Solution

The fourth proportional to 13,814,580,975.12, 19,064,179,183.44 and 7,470,948,807.78 is: 10,309,940,417.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,814,580,975.12 : 19,064,179,183.44 = 7,470,948,807.78 : x
  2. Step 2: Convert to fraction form
    13,814,580,975.12/19,064,179,183.44 = 7,470,948,807.78/x
  3. Step 3: Cross multiply
    13,814,580,975.12x = 19,064,179,183.44 × 7,470,948,807.78
  4. Step 4: Simplify right side
    13,814,580,975.12x = 142,427,506,741,825,339,392
  5. Step 5: Solve for x
    x = 142,427,506,741,825,339,392/13,814,580,975.12
  6. Step 6: Final answer
    x = 10,309,940,417.18

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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.