Home / 3,438,018,672.60-5,157,028,008.90-1,228,286,994.60

Finding the Fourth Proportional to 3,438,018,672.60, 5,157,028,008.90 and 1,228,286,994.60

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Solution

The fourth proportional to 3,438,018,672.60, 5,157,028,008.90 and 1,228,286,994.60 is: 1,842,430,491.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,438,018,672.60 : 5,157,028,008.90 = 1,228,286,994.60 : x
  2. Step 2: Convert to fraction form
    3,438,018,672.60/5,157,028,008.90 = 1,228,286,994.60/x
  3. Step 3: Cross multiply
    3,438,018,672.60x = 5,157,028,008.90 × 1,228,286,994.60
  4. Step 4: Simplify right side
    3,438,018,672.60x = 6,334,310,434,119,801,856
  5. Step 5: Solve for x
    x = 6,334,310,434,119,801,856/3,438,018,672.60
  6. Step 6: Final answer
    x = 1,842,430,491.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.