Home / 436,146,811.80-654,220,217.70-291,027,989.40

Finding the Fourth Proportional to 436,146,811.80, 654,220,217.70 and 291,027,989.40

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Solution

The fourth proportional to 436,146,811.80, 654,220,217.70 and 291,027,989.40 is: 436,541,984.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,146,811.80 : 654,220,217.70 = 291,027,989.40 : x
  2. Step 2: Convert to fraction form
    436,146,811.80/654,220,217.70 = 291,027,989.40/x
  3. Step 3: Cross multiply
    436,146,811.80x = 654,220,217.70 × 291,027,989.40
  4. Step 4: Simplify right side
    436,146,811.80x = 190,396,394,582,061,280
  5. Step 5: Solve for x
    x = 190,396,394,582,061,280/436,146,811.80
  6. Step 6: Final answer
    x = 436,541,984.10

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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.