Home / 823,479,071.48-1,235,258,333.67-270,769,263.20

Finding the Fourth Proportional to 823,479,071.48, 1,235,258,333.67 and 270,769,263.20

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Solution

The fourth proportional to 823,479,071.48, 1,235,258,333.67 and 270,769,263.20 is: 406,166,957.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,479,071.48 : 1,235,258,333.67 = 270,769,263.20 : x
  2. Step 2: Convert to fraction form
    823,479,071.48/1,235,258,333.67 = 270,769,263.20/x
  3. Step 3: Cross multiply
    823,479,071.48x = 1,235,258,333.67 × 270,769,263.20
  4. Step 4: Simplify right side
    823,479,071.48x = 334,469,988,869,485,632
  5. Step 5: Solve for x
    x = 334,469,988,869,485,632/823,479,071.48
  6. Step 6: Final answer
    x = 406,166,957.31

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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.