Home / 3,138,203,818.40-4,707,305,727.60-1,760,708,746.40

Finding the Fourth Proportional to 3,138,203,818.40, 4,707,305,727.60 and 1,760,708,746.40

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Solution

The fourth proportional to 3,138,203,818.40, 4,707,305,727.60 and 1,760,708,746.40 is: 2,641,063,119.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,138,203,818.40 : 4,707,305,727.60 = 1,760,708,746.40 : x
  2. Step 2: Convert to fraction form
    3,138,203,818.40/4,707,305,727.60 = 1,760,708,746.40/x
  3. Step 3: Cross multiply
    3,138,203,818.40x = 4,707,305,727.60 × 1,760,708,746.40
  4. Step 4: Simplify right side
    3,138,203,818.40x = 8,288,194,366,564,136,960
  5. Step 5: Solve for x
    x = 8,288,194,366,564,136,960/3,138,203,818.40
  6. Step 6: Final answer
    x = 2,641,063,119.60

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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.