Home / 1,099,008,002.80-1,648,512,004.20-663,651,535.60

Finding the Fourth Proportional to 1,099,008,002.80, 1,648,512,004.20 and 663,651,535.60

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Solution

The fourth proportional to 1,099,008,002.80, 1,648,512,004.20 and 663,651,535.60 is: 995,477,303.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,008,002.80 : 1,648,512,004.20 = 663,651,535.60 : x
  2. Step 2: Convert to fraction form
    1,099,008,002.80/1,648,512,004.20 = 663,651,535.60/x
  3. Step 3: Cross multiply
    1,099,008,002.80x = 1,648,512,004.20 × 663,651,535.60
  4. Step 4: Simplify right side
    1,099,008,002.80x = 1,094,037,523,042,363,776
  5. Step 5: Solve for x
    x = 1,094,037,523,042,363,776/1,099,008,002.80
  6. Step 6: Final answer
    x = 995,477,303.40

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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.