Home / 6,398,749,843.20-9,598,124,764.80-3,299,385,931.20

Finding the Fourth Proportional to 6,398,749,843.20, 9,598,124,764.80 and 3,299,385,931.20

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Solution

The fourth proportional to 6,398,749,843.20, 9,598,124,764.80 and 3,299,385,931.20 is: 4,949,078,896.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,398,749,843.20 : 9,598,124,764.80 = 3,299,385,931.20 : x
  2. Step 2: Convert to fraction form
    6,398,749,843.20/9,598,124,764.80 = 3,299,385,931.20/x
  3. Step 3: Cross multiply
    6,398,749,843.20x = 9,598,124,764.80 × 3,299,385,931.20
  4. Step 4: Simplify right side
    6,398,749,843.20x = 31,667,917,814,883,426,304
  5. Step 5: Solve for x
    x = 31,667,917,814,883,426,304/6,398,749,843.20
  6. Step 6: Final answer
    x = 4,949,078,896.80

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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.