Home / 70,546,650,665.80-105,819,975,998.70-42,629,417,206.60

Finding the Fourth Proportional to 70,546,650,665.80, 105,819,975,998.70 and 42,629,417,206.60

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Solution

The fourth proportional to 70,546,650,665.80, 105,819,975,998.70 and 42,629,417,206.60 is: 63,944,125,809.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,546,650,665.80 : 105,819,975,998.70 = 42,629,417,206.60 : x
  2. Step 2: Convert to fraction form
    70,546,650,665.80/105,819,975,998.70 = 42,629,417,206.60/x
  3. Step 3: Cross multiply
    70,546,650,665.80x = 105,819,975,998.70 × 42,629,417,206.60
  4. Step 4: Simplify right side
    70,546,650,665.80x = 4,511,043,905,640,980,283,392
  5. Step 5: Solve for x
    x = 4,511,043,905,640,980,283,392/70,546,650,665.80
  6. Step 6: Final answer
    x = 63,944,125,809.90

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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.