Home / 20,147,666,903.20-30,221,500,354.80-9,661,485,667.60

Finding the Fourth Proportional to 20,147,666,903.20, 30,221,500,354.80 and 9,661,485,667.60

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Solution

The fourth proportional to 20,147,666,903.20, 30,221,500,354.80 and 9,661,485,667.60 is: 14,492,228,501.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,147,666,903.20 : 30,221,500,354.80 = 9,661,485,667.60 : x
  2. Step 2: Convert to fraction form
    20,147,666,903.20/30,221,500,354.80 = 9,661,485,667.60/x
  3. Step 3: Cross multiply
    20,147,666,903.20x = 30,221,500,354.80 × 9,661,485,667.60
  4. Step 4: Simplify right side
    20,147,666,903.20x = 291,984,592,531,268,534,272
  5. Step 5: Solve for x
    x = 291,984,592,531,268,534,272/20,147,666,903.20
  6. Step 6: Final answer
    x = 14,492,228,501.40

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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.