Home / 752,488,703,999.60-1,128,733,055,999.40-695,021,650,329.20

Finding the Fourth Proportional to 752,488,703,999.60, 1,128,733,055,999.40 and 695,021,650,329.20

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Solution

The fourth proportional to 752,488,703,999.60, 1,128,733,055,999.40 and 695,021,650,329.20 is: 1,042,532,475,493.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,488,703,999.60 : 1,128,733,055,999.40 = 695,021,650,329.20 : x
  2. Step 2: Convert to fraction form
    752,488,703,999.60/1,128,733,055,999.40 = 695,021,650,329.20/x
  3. Step 3: Cross multiply
    752,488,703,999.60x = 1,128,733,055,999.40 × 695,021,650,329.20
  4. Step 4: Simplify right side
    752,488,703,999.60x = 784,493,911,361,824,218,939,392
  5. Step 5: Solve for x
    x = 784,493,911,361,824,218,939,392/752,488,703,999.60
  6. Step 6: Final answer
    x = 1,042,532,475,493.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.