Home / 21,768,025,710.50-30,037,959,482.90-12,122,026,788.15

Finding the Fourth Proportional to 21,768,025,710.50, 30,037,959,482.90 and 12,122,026,788.15

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Solution

The fourth proportional to 21,768,025,710.50, 30,037,959,482.90 and 12,122,026,788.15 is: 16,727,330,000.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,768,025,710.50 : 30,037,959,482.90 = 12,122,026,788.15 : x
  2. Step 2: Convert to fraction form
    21,768,025,710.50/30,037,959,482.90 = 12,122,026,788.15/x
  3. Step 3: Cross multiply
    21,768,025,710.50x = 30,037,959,482.90 × 12,122,026,788.15
  4. Step 4: Simplify right side
    21,768,025,710.50x = 364,120,949,513,017,491,456
  5. Step 5: Solve for x
    x = 364,120,949,513,017,491,456/21,768,025,710.50
  6. Step 6: Final answer
    x = 16,727,330,000.23

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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.