Home / 712,716,263,399.62-983,567,084,218.20-387,574,571,500.12

Finding the Fourth Proportional to 712,716,263,399.62, 983,567,084,218.20 and 387,574,571,500.12

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Solution

The fourth proportional to 712,716,263,399.62, 983,567,084,218.20 and 387,574,571,500.12 is: 534,863,045,483.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,716,263,399.62 : 983,567,084,218.20 = 387,574,571,500.12 : x
  2. Step 2: Convert to fraction form
    712,716,263,399.62/983,567,084,218.20 = 387,574,571,500.12/x
  3. Step 3: Cross multiply
    712,716,263,399.62x = 983,567,084,218.20 × 387,574,571,500.12
  4. Step 4: Simplify right side
    712,716,263,399.62x = 381,205,591,207,491,254,878,208
  5. Step 5: Solve for x
    x = 381,205,591,207,491,254,878,208/712,716,263,399.62
  6. Step 6: Final answer
    x = 534,863,045,483.43

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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.