Home / 682,558,312,043.95-941,922,966,713.30-369,690,912,921.40

Finding the Fourth Proportional to 682,558,312,043.95, 941,922,966,713.30 and 369,690,912,921.40

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Solution

The fourth proportional to 682,558,312,043.95, 941,922,966,713.30 and 369,690,912,921.40 is: 510,169,395,524.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,558,312,043.95 : 941,922,966,713.30 = 369,690,912,921.40 : x
  2. Step 2: Convert to fraction form
    682,558,312,043.95/941,922,966,713.30 = 369,690,912,921.40/x
  3. Step 3: Cross multiply
    682,558,312,043.95x = 941,922,966,713.30 × 369,690,912,921.40
  4. Step 4: Simplify right side
    682,558,312,043.95x = 348,220,361,465,873,368,612,864
  5. Step 5: Solve for x
    x = 348,220,361,465,873,368,612,864/682,558,312,043.95
  6. Step 6: Final answer
    x = 510,169,395,524.78

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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.