Home / 56,643,530,860.74-78,167,674,936.75-30,922,810,776.37

Finding the Fourth Proportional to 56,643,530,860.74, 78,167,674,936.75 and 30,922,810,776.37

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Solution

The fourth proportional to 56,643,530,860.74, 78,167,674,936.75 and 30,922,810,776.37 is: 42,673,261,785.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,643,530,860.74 : 78,167,674,936.75 = 30,922,810,776.37 : x
  2. Step 2: Convert to fraction form
    56,643,530,860.74/78,167,674,936.75 = 30,922,810,776.37/x
  3. Step 3: Cross multiply
    56,643,530,860.74x = 78,167,674,936.75 × 30,922,810,776.37
  4. Step 4: Simplify right side
    56,643,530,860.74x = 2,417,164,220,897,919,762,432
  5. Step 5: Solve for x
    x = 2,417,164,220,897,919,762,432/56,643,530,860.74
  6. Step 6: Final answer
    x = 42,673,261,785.90

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1.5x scale

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.