Home / 123,669,504,153.60-185,504,256,230.40-30,612,059,289.60

Finding the Fourth Proportional to 123,669,504,153.60, 185,504,256,230.40 and 30,612,059,289.60

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Solution

The fourth proportional to 123,669,504,153.60, 185,504,256,230.40 and 30,612,059,289.60 is: 45,918,088,934.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,669,504,153.60 : 185,504,256,230.40 = 30,612,059,289.60 : x
  2. Step 2: Convert to fraction form
    123,669,504,153.60/185,504,256,230.40 = 30,612,059,289.60/x
  3. Step 3: Cross multiply
    123,669,504,153.60x = 185,504,256,230.40 × 30,612,059,289.60
  4. Step 4: Simplify right side
    123,669,504,153.60x = 5,678,667,290,198,154,412,032
  5. Step 5: Solve for x
    x = 5,678,667,290,198,154,412,032/123,669,504,153.60
  6. Step 6: Final answer
    x = 45,918,088,934.40

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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.