Home / 1,323,853,478.19-1,827,000,769.44-729,137,844.27

Finding the Fourth Proportional to 1,323,853,478.19, 1,827,000,769.44 and 729,137,844.27

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Solution

The fourth proportional to 1,323,853,478.19, 1,827,000,769.44 and 729,137,844.27 is: 1,006,255,922.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,853,478.19 : 1,827,000,769.44 = 729,137,844.27 : x
  2. Step 2: Convert to fraction form
    1,323,853,478.19/1,827,000,769.44 = 729,137,844.27/x
  3. Step 3: Cross multiply
    1,323,853,478.19x = 1,827,000,769.44 × 729,137,844.27
  4. Step 4: Simplify right side
    1,323,853,478.19x = 1,332,135,402,509,112,832
  5. Step 5: Solve for x
    x = 1,332,135,402,509,112,832/1,323,853,478.19
  6. Step 6: Final answer
    x = 1,006,255,922.17

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Double scale
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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.