Home / 610,980,506.70-916,470,760.05-222,816,000.30

Finding the Fourth Proportional to 610,980,506.70, 916,470,760.05 and 222,816,000.30

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Solution

The fourth proportional to 610,980,506.70, 916,470,760.05 and 222,816,000.30 is: 334,224,000.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,980,506.70 : 916,470,760.05 = 222,816,000.30 : x
  2. Step 2: Convert to fraction form
    610,980,506.70/916,470,760.05 = 222,816,000.30/x
  3. Step 3: Cross multiply
    610,980,506.70x = 916,470,760.05 × 222,816,000.30
  4. Step 4: Simplify right side
    610,980,506.70x = 204,204,349,146,242,016
  5. Step 5: Solve for x
    x = 204,204,349,146,242,016/610,980,506.70
  6. Step 6: Final answer
    x = 334,224,000.45

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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.