Home / 262,275,512.40-393,077,345.40-201,389,432.40

Finding the Fourth Proportional to 262,275,512.40, 393,077,345.40 and 201,389,432.40

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Solution

The fourth proportional to 262,275,512.40, 393,077,345.40 and 201,389,432.40 is: 301,826,208.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,275,512.40 : 393,077,345.40 = 201,389,432.40 : x
  2. Step 2: Convert to fraction form
    262,275,512.40/393,077,345.40 = 201,389,432.40/x
  3. Step 3: Cross multiply
    262,275,512.40x = 393,077,345.40 × 201,389,432.40
  4. Step 4: Simplify right side
    262,275,512.40x = 79,161,623,479,404,752
  5. Step 5: Solve for x
    x = 79,161,623,479,404,752/262,275,512.40
  6. Step 6: Final answer
    x = 301,826,208.46

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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.