Home / 1,729,651,827.36-2,386,907,636.40-936,679,660.32

Finding the Fourth Proportional to 1,729,651,827.36, 2,386,907,636.40 and 936,679,660.32

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Solution

The fourth proportional to 1,729,651,827.36, 2,386,907,636.40 and 936,679,660.32 is: 1,292,611,494.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,729,651,827.36 : 2,386,907,636.40 = 936,679,660.32 : x
  2. Step 2: Convert to fraction form
    1,729,651,827.36/2,386,907,636.40 = 936,679,660.32/x
  3. Step 3: Cross multiply
    1,729,651,827.36x = 2,386,907,636.40 × 936,679,660.32
  4. Step 4: Simplify right side
    1,729,651,827.36x = 2,235,767,834,078,366,208
  5. Step 5: Solve for x
    x = 2,235,767,834,078,366,208/1,729,651,827.36
  6. Step 6: Final answer
    x = 1,292,611,494.82

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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.