Home / 21,768,025,701.87-30,037,959,470.99-12,122,026,779.52

Finding the Fourth Proportional to 21,768,025,701.87, 30,037,959,470.99 and 12,122,026,779.52

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Solution

The fourth proportional to 21,768,025,701.87, 30,037,959,470.99 and 12,122,026,779.52 is: 16,727,329,988.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,768,025,701.87 : 30,037,959,470.99 = 12,122,026,779.52 : x
  2. Step 2: Convert to fraction form
    21,768,025,701.87/30,037,959,470.99 = 12,122,026,779.52/x
  3. Step 3: Cross multiply
    21,768,025,701.87x = 30,037,959,470.99 × 12,122,026,779.52
  4. Step 4: Simplify right side
    21,768,025,701.87x = 364,120,949,109,477,212,160
  5. Step 5: Solve for x
    x = 364,120,949,109,477,212,160/21,768,025,701.87
  6. Step 6: Final answer
    x = 16,727,329,988.32

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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.