Home / 1,410,488,535.78-1,946,358,480.53-830,372,605.48

Finding the Fourth Proportional to 1,410,488,535.78, 1,946,358,480.53 and 830,372,605.48

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Solution

The fourth proportional to 1,410,488,535.78, 1,946,358,480.53 and 830,372,605.48 is: 1,145,846,082.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,410,488,535.78 : 1,946,358,480.53 = 830,372,605.48 : x
  2. Step 2: Convert to fraction form
    1,410,488,535.78/1,946,358,480.53 = 830,372,605.48/x
  3. Step 3: Cross multiply
    1,410,488,535.78x = 1,946,358,480.53 × 830,372,605.48
  4. Step 4: Simplify right side
    1,410,488,535.78x = 1,616,202,762,672,999,936
  5. Step 5: Solve for x
    x = 1,616,202,762,672,999,936/1,410,488,535.78
  6. Step 6: Final answer
    x = 1,145,846,082.17

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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.