Home / 20,155,411,951.80-30,233,117,927.70-20,032,967,945.40

Finding the Fourth Proportional to 20,155,411,951.80, 30,233,117,927.70 and 20,032,967,945.40

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Solution

The fourth proportional to 20,155,411,951.80, 30,233,117,927.70 and 20,032,967,945.40 is: 30,049,451,918.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,155,411,951.80 : 30,233,117,927.70 = 20,032,967,945.40 : x
  2. Step 2: Convert to fraction form
    20,155,411,951.80/30,233,117,927.70 = 20,032,967,945.40/x
  3. Step 3: Cross multiply
    20,155,411,951.80x = 30,233,117,927.70 × 20,032,967,945.40
  4. Step 4: Simplify right side
    20,155,411,951.80x = 605,659,082,335,112,265,728
  5. Step 5: Solve for x
    x = 605,659,082,335,112,265,728/20,155,411,951.80
  6. Step 6: Final answer
    x = 30,049,451,918.10

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Double scale
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Similar ratio
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1.5x scale

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.