Home / 257,407,581,644.04-355,216,892,169.78-149,025,248,856.84

Finding the Fourth Proportional to 257,407,581,644.04, 355,216,892,169.78 and 149,025,248,856.84

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Solution

The fourth proportional to 257,407,581,644.04, 355,216,892,169.78 and 149,025,248,856.84 is: 205,651,618,400.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,407,581,644.04 : 355,216,892,169.78 = 149,025,248,856.84 : x
  2. Step 2: Convert to fraction form
    257,407,581,644.04/355,216,892,169.78 = 149,025,248,856.84/x
  3. Step 3: Cross multiply
    257,407,581,644.04x = 355,216,892,169.78 × 149,025,248,856.84
  4. Step 4: Simplify right side
    257,407,581,644.04x = 52,936,285,753,754,771,259,392
  5. Step 5: Solve for x
    x = 52,936,285,753,754,771,259,392/257,407,581,644.04
  6. Step 6: Final answer
    x = 205,651,618,400.89

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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.