Home / 13,814,580,977.12-19,064,179,186.20-7,470,948,809.78

Finding the Fourth Proportional to 13,814,580,977.12, 19,064,179,186.20 and 7,470,948,809.78

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Solution

The fourth proportional to 13,814,580,977.12, 19,064,179,186.20 and 7,470,948,809.78 is: 10,309,940,419.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,814,580,977.12 : 19,064,179,186.20 = 7,470,948,809.78 : x
  2. Step 2: Convert to fraction form
    13,814,580,977.12/19,064,179,186.20 = 7,470,948,809.78/x
  3. Step 3: Cross multiply
    13,814,580,977.12x = 19,064,179,186.20 × 7,470,948,809.78
  4. Step 4: Simplify right side
    13,814,580,977.12x = 142,427,506,800,573,546,496
  5. Step 5: Solve for x
    x = 142,427,506,800,573,546,496/13,814,580,977.12
  6. Step 6: Final answer
    x = 10,309,940,419.94

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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.