Home / 21,248,892,850.60-31,893,746,610.30-18,146,978,021.80

Finding the Fourth Proportional to 21,248,892,850.60, 31,893,746,610.30 and 18,146,978,021.80

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Solution

The fourth proportional to 21,248,892,850.60, 31,893,746,610.30 and 18,146,978,021.80 is: 27,237,895,303.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,248,892,850.60 : 31,893,746,610.30 = 18,146,978,021.80 : x
  2. Step 2: Convert to fraction form
    21,248,892,850.60/31,893,746,610.30 = 18,146,978,021.80/x
  3. Step 3: Cross multiply
    21,248,892,850.60x = 31,893,746,610.30 × 18,146,978,021.80
  4. Step 4: Simplify right side
    21,248,892,850.60x = 578,775,118,769,972,314,112
  5. Step 5: Solve for x
    x = 578,775,118,769,972,314,112/21,248,892,850.60
  6. Step 6: Final answer
    x = 27,237,895,303.03

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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.