Home / 6,296,749,032.39-8,689,728,094.20-3,723,978,198.21

Finding the Fourth Proportional to 6,296,749,032.39, 8,689,728,094.20 and 3,723,978,198.21

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Solution

The fourth proportional to 6,296,749,032.39, 8,689,728,094.20 and 3,723,978,198.21 is: 5,139,216,729.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,296,749,032.39 : 8,689,728,094.20 = 3,723,978,198.21 : x
  2. Step 2: Convert to fraction form
    6,296,749,032.39/8,689,728,094.20 = 3,723,978,198.21/x
  3. Step 3: Cross multiply
    6,296,749,032.39x = 8,689,728,094.20 × 3,723,978,198.21
  4. Step 4: Simplify right side
    6,296,749,032.39x = 32,360,357,971,173,736,448
  5. Step 5: Solve for x
    x = 32,360,357,971,173,736,448/6,296,749,032.39
  6. Step 6: Final answer
    x = 5,139,216,729.89

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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.