Home / 1,720,806,028,403.60-2,374,920,554,291.20-979,393,128,037.72

Finding the Fourth Proportional to 1,720,806,028,403.60, 2,374,920,554,291.20 and 979,393,128,037.72

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Solution

The fourth proportional to 1,720,806,028,403.60, 2,374,920,554,291.20 and 979,393,128,037.72 is: 1,351,681,033,257.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720,806,028,403.60 : 2,374,920,554,291.20 = 979,393,128,037.72 : x
  2. Step 2: Convert to fraction form
    1,720,806,028,403.60/2,374,920,554,291.20 = 979,393,128,037.72/x
  3. Step 3: Cross multiply
    1,720,806,028,403.60x = 2,374,920,554,291.20 × 979,393,128,037.72
  4. Step 4: Simplify right side
    1,720,806,028,403.60x = 2,325,980,870,508,334,200,913,920
  5. Step 5: Solve for x
    x = 2,325,980,870,508,334,200,913,920/1,720,806,028,403.60
  6. Step 6: Final answer
    x = 1,351,681,033,257.51

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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.