Home / 1,345,305,845.20-2,017,958,767.80-619,711,733.20

Finding the Fourth Proportional to 1,345,305,845.20, 2,017,958,767.80 and 619,711,733.20

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Solution

The fourth proportional to 1,345,305,845.20, 2,017,958,767.80 and 619,711,733.20 is: 929,567,599.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,305,845.20 : 2,017,958,767.80 = 619,711,733.20 : x
  2. Step 2: Convert to fraction form
    1,345,305,845.20/2,017,958,767.80 = 619,711,733.20/x
  3. Step 3: Cross multiply
    1,345,305,845.20x = 2,017,958,767.80 × 619,711,733.20
  4. Step 4: Simplify right side
    1,345,305,845.20x = 1,250,552,725,519,474,432
  5. Step 5: Solve for x
    x = 1,250,552,725,519,474,432/1,345,305,845.20
  6. Step 6: Final answer
    x = 929,567,599.80

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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.