Home / 282,026,378.40-422,143,772.40-201,404,810.40

Finding the Fourth Proportional to 282,026,378.40, 422,143,772.40 and 201,404,810.40

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Solution

The fourth proportional to 282,026,378.40, 422,143,772.40 and 201,404,810.40 is: 301,467,497.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,026,378.40 : 422,143,772.40 = 201,404,810.40 : x
  2. Step 2: Convert to fraction form
    282,026,378.40/422,143,772.40 = 201,404,810.40/x
  3. Step 3: Cross multiply
    282,026,378.40x = 422,143,772.40 × 201,404,810.40
  4. Step 4: Simplify right side
    282,026,378.40x = 85,021,786,441,762,752
  5. Step 5: Solve for x
    x = 85,021,786,441,762,752/282,026,378.40
  6. Step 6: Final answer
    x = 301,467,497.20

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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.