Home / 1,434,948,487.79-2,152,422,756.75-344,431,555.79

Finding the Fourth Proportional to 1,434,948,487.79, 2,152,422,756.75 and 344,431,555.79

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Solution

The fourth proportional to 1,434,948,487.79, 2,152,422,756.75 and 344,431,555.79 is: 516,647,339.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,948,487.79 : 2,152,422,756.75 = 344,431,555.79 : x
  2. Step 2: Convert to fraction form
    1,434,948,487.79/2,152,422,756.75 = 344,431,555.79/x
  3. Step 3: Cross multiply
    1,434,948,487.79x = 2,152,422,756.75 × 344,431,555.79
  4. Step 4: Simplify right side
    1,434,948,487.79x = 741,362,318,825,203,328
  5. Step 5: Solve for x
    x = 741,362,318,825,203,328/1,434,948,487.79
  6. Step 6: Final answer
    x = 516,647,339.70

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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.