Home / 20,102,938,392.60-30,154,407,588.90-5,380,959,810.60

Finding the Fourth Proportional to 20,102,938,392.60, 30,154,407,588.90 and 5,380,959,810.60

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Solution

The fourth proportional to 20,102,938,392.60, 30,154,407,588.90 and 5,380,959,810.60 is: 8,071,439,715.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,102,938,392.60 : 30,154,407,588.90 = 5,380,959,810.60 : x
  2. Step 2: Convert to fraction form
    20,102,938,392.60/30,154,407,588.90 = 5,380,959,810.60/x
  3. Step 3: Cross multiply
    20,102,938,392.60x = 30,154,407,588.90 × 5,380,959,810.60
  4. Step 4: Simplify right side
    20,102,938,392.60x = 162,259,655,348,322,566,144
  5. Step 5: Solve for x
    x = 162,259,655,348,322,566,144/20,102,938,392.60
  6. Step 6: Final answer
    x = 8,071,439,715.90

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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.