Home / 237,156,193,285.76-327,266,367,666.76-128,766,809,760.64

Finding the Fourth Proportional to 237,156,193,285.76, 327,266,367,666.76 and 128,766,809,760.64

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Solution

The fourth proportional to 237,156,193,285.76, 327,266,367,666.76 and 128,766,809,760.64 is: 177,693,213,584.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,156,193,285.76 : 327,266,367,666.76 = 128,766,809,760.64 : x
  2. Step 2: Convert to fraction form
    237,156,193,285.76/327,266,367,666.76 = 128,766,809,760.64/x
  3. Step 3: Cross multiply
    237,156,193,285.76x = 327,266,367,666.76 × 128,766,809,760.64
  4. Step 4: Simplify right side
    237,156,193,285.76x = 42,141,046,106,401,355,595,776
  5. Step 5: Solve for x
    x = 42,141,046,106,401,355,595,776/237,156,193,285.76
  6. Step 6: Final answer
    x = 177,693,213,584.45

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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.