Home / 1,260,848,873,455.50-1,739,973,123,315.10-682,786,389,159.40

Finding the Fourth Proportional to 1,260,848,873,455.50, 1,739,973,123,315.10 and 682,786,389,159.40

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Solution

The fourth proportional to 1,260,848,873,455.50, 1,739,973,123,315.10 and 682,786,389,159.40 is: 942,246,125,696.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,848,873,455.50 : 1,739,973,123,315.10 = 682,786,389,159.40 : x
  2. Step 2: Convert to fraction form
    1,260,848,873,455.50/1,739,973,123,315.10 = 682,786,389,159.40/x
  3. Step 3: Cross multiply
    1,260,848,873,455.50x = 1,739,973,123,315.10 × 682,786,389,159.40
  4. Step 4: Simplify right side
    1,260,848,873,455.50x = 1,188,029,966,102,720,688,422,912
  5. Step 5: Solve for x
    x = 1,188,029,966,102,720,688,422,912/1,260,848,873,455.50
  6. Step 6: Final answer
    x = 942,246,125,696.88

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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.