Home / 1,622,409,986.18-2,433,274,432.32-457,606,078.76

Finding the Fourth Proportional to 1,622,409,986.18, 2,433,274,432.32 and 457,606,078.76

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Solution

The fourth proportional to 1,622,409,986.18, 2,433,274,432.32 and 457,606,078.76 is: 686,313,065.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,622,409,986.18 : 2,433,274,432.32 = 457,606,078.76 : x
  2. Step 2: Convert to fraction form
    1,622,409,986.18/2,433,274,432.32 = 457,606,078.76/x
  3. Step 3: Cross multiply
    1,622,409,986.18x = 2,433,274,432.32 × 457,606,078.76
  4. Step 4: Simplify right side
    1,622,409,986.18x = 1,113,481,171,520,920,320
  5. Step 5: Solve for x
    x = 1,113,481,171,520,920,320/1,622,409,986.18
  6. Step 6: Final answer
    x = 686,313,065.75

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Double scale
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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.