Home / 15,541,571,085.60-21,447,432,273.68-8,404,984,742.56

Finding the Fourth Proportional to 15,541,571,085.60, 21,447,432,273.68 and 8,404,984,742.56

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Solution

The fourth proportional to 15,541,571,085.60, 21,447,432,273.68 and 8,404,984,742.56 is: 11,598,913,651.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,541,571,085.60 : 21,447,432,273.68 = 8,404,984,742.56 : x
  2. Step 2: Convert to fraction form
    15,541,571,085.60/21,447,432,273.68 = 8,404,984,742.56/x
  3. Step 3: Cross multiply
    15,541,571,085.60x = 21,447,432,273.68 × 8,404,984,742.56
  4. Step 4: Simplify right side
    15,541,571,085.60x = 180,265,341,027,369,353,216
  5. Step 5: Solve for x
    x = 180,265,341,027,369,353,216/15,541,571,085.60
  6. Step 6: Final answer
    x = 11,598,913,651.30

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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.