Home / 1,584,378,655.78-2,186,332,825.98-879,475,116.54

Finding the Fourth Proportional to 1,584,378,655.78, 2,186,332,825.98 and 879,475,116.54

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Solution

The fourth proportional to 1,584,378,655.78, 2,186,332,825.98 and 879,475,116.54 is: 1,213,614,756.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,584,378,655.78 : 2,186,332,825.98 = 879,475,116.54 : x
  2. Step 2: Convert to fraction form
    1,584,378,655.78/2,186,332,825.98 = 879,475,116.54/x
  3. Step 3: Cross multiply
    1,584,378,655.78x = 2,186,332,825.98 × 879,475,116.54
  4. Step 4: Simplify right side
    1,584,378,655.78x = 1,922,825,316,923,987,968
  5. Step 5: Solve for x
    x = 1,922,825,316,923,987,968/1,584,378,655.78
  6. Step 6: Final answer
    x = 1,213,614,756.74

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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.