Home / 1,319,257,462.24-1,820,568,255.89-716,422,815.93

Finding the Fourth Proportional to 1,319,257,462.24, 1,820,568,255.89 and 716,422,815.93

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Solution

The fourth proportional to 1,319,257,462.24, 1,820,568,255.89 and 716,422,815.93 is: 988,659,661.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,257,462.24 : 1,820,568,255.89 = 716,422,815.93 : x
  2. Step 2: Convert to fraction form
    1,319,257,462.24/1,820,568,255.89 = 716,422,815.93/x
  3. Step 3: Cross multiply
    1,319,257,462.24x = 1,820,568,255.89 × 716,422,815.93
  4. Step 4: Simplify right side
    1,319,257,462.24x = 1,304,296,636,477,482,496
  5. Step 5: Solve for x
    x = 1,304,296,636,477,482,496/1,319,257,462.24
  6. Step 6: Final answer
    x = 988,659,661.82

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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.