Home / 253,848,927,387.38-350,314,297,535.70-138,106,345,018.80

Finding the Fourth Proportional to 253,848,927,387.38, 350,314,297,535.70 and 138,106,345,018.80

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Solution

The fourth proportional to 253,848,927,387.38, 350,314,297,535.70 and 138,106,345,018.80 is: 190,588,267,354.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,848,927,387.38 : 350,314,297,535.70 = 138,106,345,018.80 : x
  2. Step 2: Convert to fraction form
    253,848,927,387.38/350,314,297,535.70 = 138,106,345,018.80/x
  3. Step 3: Cross multiply
    253,848,927,387.38x = 350,314,297,535.70 × 138,106,345,018.80
  4. Step 4: Simplify right side
    253,848,927,387.38x = 48,380,627,240,483,941,253,120
  5. Step 5: Solve for x
    x = 48,380,627,240,483,941,253,120/253,848,927,387.38
  6. Step 6: Final answer
    x = 190,588,267,354.20

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1.5x scale

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.