Home / 6,643,028,492.60-9,965,977,629.60-1,985,373,280.40

Finding the Fourth Proportional to 6,643,028,492.60, 9,965,977,629.60 and 1,985,373,280.40

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Solution

The fourth proportional to 6,643,028,492.60, 9,965,977,629.60 and 1,985,373,280.40 is: 2,978,488,760.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,643,028,492.60 : 9,965,977,629.60 = 1,985,373,280.40 : x
  2. Step 2: Convert to fraction form
    6,643,028,492.60/9,965,977,629.60 = 1,985,373,280.40/x
  3. Step 3: Cross multiply
    6,643,028,492.60x = 9,965,977,629.60 × 1,985,373,280.40
  4. Step 4: Simplify right side
    6,643,028,492.60x = 19,786,185,698,871,971,840
  5. Step 5: Solve for x
    x = 19,786,185,698,871,971,840/6,643,028,492.60
  6. Step 6: Final answer
    x = 2,978,488,760.20

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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.