Home / 55,659,590,437.80-83,489,385,656.70-18,896,155,429.80

Finding the Fourth Proportional to 55,659,590,437.80, 83,489,385,656.70 and 18,896,155,429.80

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Solution

The fourth proportional to 55,659,590,437.80, 83,489,385,656.70 and 18,896,155,429.80 is: 28,344,233,144.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,659,590,437.80 : 83,489,385,656.70 = 18,896,155,429.80 : x
  2. Step 2: Convert to fraction form
    55,659,590,437.80/83,489,385,656.70 = 18,896,155,429.80/x
  3. Step 3: Cross multiply
    55,659,590,437.80x = 83,489,385,656.70 × 18,896,155,429.80
  4. Step 4: Simplify right side
    55,659,590,437.80x = 1,577,628,408,107,517,870,080
  5. Step 5: Solve for x
    x = 1,577,628,408,107,517,870,080/55,659,590,437.80
  6. Step 6: Final answer
    x = 28,344,233,144.70

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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.