Home / 20,178,355,514.90-30,267,533,272.35-10,764,037,632.20

Finding the Fourth Proportional to 20,178,355,514.90, 30,267,533,272.35 and 10,764,037,632.20

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Solution

The fourth proportional to 20,178,355,514.90, 30,267,533,272.35 and 10,764,037,632.20 is: 16,146,056,448.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,178,355,514.90 : 30,267,533,272.35 = 10,764,037,632.20 : x
  2. Step 2: Convert to fraction form
    20,178,355,514.90/30,267,533,272.35 = 10,764,037,632.20/x
  3. Step 3: Cross multiply
    20,178,355,514.90x = 30,267,533,272.35 × 10,764,037,632.20
  4. Step 4: Simplify right side
    20,178,355,514.90x = 325,800,867,177,441,001,472
  5. Step 5: Solve for x
    x = 325,800,867,177,441,001,472/20,178,355,514.90
  6. Step 6: Final answer
    x = 16,146,056,448.30

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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.