Home / 69,844,338,637.80-104,766,507,956.70-20,159,281,818.60

Finding the Fourth Proportional to 69,844,338,637.80, 104,766,507,956.70 and 20,159,281,818.60

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Solution

The fourth proportional to 69,844,338,637.80, 104,766,507,956.70 and 20,159,281,818.60 is: 30,238,922,727.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,844,338,637.80 : 104,766,507,956.70 = 20,159,281,818.60 : x
  2. Step 2: Convert to fraction form
    69,844,338,637.80/104,766,507,956.70 = 20,159,281,818.60/x
  3. Step 3: Cross multiply
    69,844,338,637.80x = 104,766,507,956.70 × 20,159,281,818.60
  4. Step 4: Simplify right side
    69,844,338,637.80x = 2,112,017,559,049,714,270,208
  5. Step 5: Solve for x
    x = 2,112,017,559,049,714,270,208/69,844,338,637.80
  6. Step 6: Final answer
    x = 30,238,922,727.90

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1.5x scale

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.