Home / 682,558,312,043.80-941,922,966,712.95-369,690,912,921.20

Finding the Fourth Proportional to 682,558,312,043.80, 941,922,966,712.95 and 369,690,912,921.20

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Solution

The fourth proportional to 682,558,312,043.80, 941,922,966,712.95 and 369,690,912,921.20 is: 510,169,395,524.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,558,312,043.80 : 941,922,966,712.95 = 369,690,912,921.20 : x
  2. Step 2: Convert to fraction form
    682,558,312,043.80/941,922,966,712.95 = 369,690,912,921.20/x
  3. Step 3: Cross multiply
    682,558,312,043.80x = 941,922,966,712.95 × 369,690,912,921.20
  4. Step 4: Simplify right side
    682,558,312,043.80x = 348,220,361,465,555,541,032,960
  5. Step 5: Solve for x
    x = 348,220,361,465,555,541,032,960/682,558,312,043.80
  6. Step 6: Final answer
    x = 510,169,395,524.42

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Double scale
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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.