Home / 945,973,265.04-1,305,253,753.32-528,221,273.04

Finding the Fourth Proportional to 945,973,265.04, 1,305,253,753.32 and 528,221,273.04

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Solution

The fourth proportional to 945,973,265.04, 1,305,253,753.32 and 528,221,273.04 is: 728,839,624.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,973,265.04 : 1,305,253,753.32 = 528,221,273.04 : x
  2. Step 2: Convert to fraction form
    945,973,265.04/1,305,253,753.32 = 528,221,273.04/x
  3. Step 3: Cross multiply
    945,973,265.04x = 1,305,253,753.32 × 528,221,273.04
  4. Step 4: Simplify right side
    945,973,265.04x = 689,462,799,218,928,512
  5. Step 5: Solve for x
    x = 689,462,799,218,928,512/945,973,265.04
  6. Step 6: Final answer
    x = 728,839,624.44

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Double scale
Find fourth proportional to 945,973,266.04, 1,305,253,754.70 and 528,221,274.04
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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.