Home / 770,297,921.56-1,063,011,131.72-440,280,146.44

Finding the Fourth Proportional to 770,297,921.56, 1,063,011,131.72 and 440,280,146.44

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Solution

The fourth proportional to 770,297,921.56, 1,063,011,131.72 and 440,280,146.44 is: 607,586,602.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,297,921.56 : 1,063,011,131.72 = 440,280,146.44 : x
  2. Step 2: Convert to fraction form
    770,297,921.56/1,063,011,131.72 = 440,280,146.44/x
  3. Step 3: Cross multiply
    770,297,921.56x = 1,063,011,131.72 × 440,280,146.44
  4. Step 4: Simplify right side
    770,297,921.56x = 468,022,696,741,031,744
  5. Step 5: Solve for x
    x = 468,022,696,741,031,744/770,297,921.56
  6. Step 6: Final answer
    x = 607,586,602.07

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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.