Home / 66,477,660,371.70-99,722,620,577.18-21,709,391,693.27

Finding the Fourth Proportional to 66,477,660,371.70, 99,722,620,577.18 and 21,709,391,693.27

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Solution

The fourth proportional to 66,477,660,371.70, 99,722,620,577.18 and 21,709,391,693.27 is: 32,566,089,400.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,477,660,371.70 : 99,722,620,577.18 = 21,709,391,693.27 : x
  2. Step 2: Convert to fraction form
    66,477,660,371.70/99,722,620,577.18 = 21,709,391,693.27/x
  3. Step 3: Cross multiply
    66,477,660,371.70x = 99,722,620,577.18 × 21,709,391,693.27
  4. Step 4: Simplify right side
    66,477,660,371.70x = 2,164,917,430,788,740,349,952
  5. Step 5: Solve for x
    x = 2,164,917,430,788,740,349,952/66,477,660,371.70
  6. Step 6: Final answer
    x = 32,566,089,400.32

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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.