Home / 55,549,951,735.88-76,661,040,671.33-31,135,813,210.69

Finding the Fourth Proportional to 55,549,951,735.88, 76,661,040,671.33 and 31,135,813,210.69

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Solution

The fourth proportional to 55,549,951,735.88, 76,661,040,671.33 and 31,135,813,210.69 is: 42,968,603,361.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,549,951,735.88 : 76,661,040,671.33 = 31,135,813,210.69 : x
  2. Step 2: Convert to fraction form
    55,549,951,735.88/76,661,040,671.33 = 31,135,813,210.69/x
  3. Step 3: Cross multiply
    55,549,951,735.88x = 76,661,040,671.33 × 31,135,813,210.69
  4. Step 4: Simplify right side
    55,549,951,735.88x = 2,386,903,842,879,457,722,368
  5. Step 5: Solve for x
    x = 2,386,903,842,879,457,722,368/55,549,951,735.88
  6. Step 6: Final answer
    x = 42,968,603,361.32

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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.