Home / 21,719,773,312.80-32,579,659,969.20-8,633,570,128.80

Finding the Fourth Proportional to 21,719,773,312.80, 32,579,659,969.20 and 8,633,570,128.80

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Solution

The fourth proportional to 21,719,773,312.80, 32,579,659,969.20 and 8,633,570,128.80 is: 12,950,355,193.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,719,773,312.80 : 32,579,659,969.20 = 8,633,570,128.80 : x
  2. Step 2: Convert to fraction form
    21,719,773,312.80/32,579,659,969.20 = 8,633,570,128.80/x
  3. Step 3: Cross multiply
    21,719,773,312.80x = 32,579,659,969.20 × 8,633,570,128.80
  4. Step 4: Simplify right side
    21,719,773,312.80x = 281,278,779,116,546,228,224
  5. Step 5: Solve for x
    x = 281,278,779,116,546,228,224/21,719,773,312.80
  6. Step 6: Final answer
    x = 12,950,355,193.20

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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.