Home / 3,985,653,619.60-5,978,480,429.40-3,985,653,619.60

Finding the Fourth Proportional to 3,985,653,619.60, 5,978,480,429.40 and 3,985,653,619.60

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Solution

The fourth proportional to 3,985,653,619.60, 5,978,480,429.40 and 3,985,653,619.60 is: 5,978,480,429.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,985,653,619.60 : 5,978,480,429.40 = 3,985,653,619.60 : x
  2. Step 2: Convert to fraction form
    3,985,653,619.60/5,978,480,429.40 = 3,985,653,619.60/x
  3. Step 3: Cross multiply
    3,985,653,619.60x = 5,978,480,429.40 × 3,985,653,619.60
  4. Step 4: Simplify right side
    3,985,653,619.60x = 23,828,152,163,145,871,360
  5. Step 5: Solve for x
    x = 23,828,152,163,145,871,360/3,985,653,619.60
  6. Step 6: Final answer
    x = 5,978,480,429.40

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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.