Home / 6,469,128,970.80-9,703,693,456.20-6,215,171,031.60

Finding the Fourth Proportional to 6,469,128,970.80, 9,703,693,456.20 and 6,215,171,031.60

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Solution

The fourth proportional to 6,469,128,970.80, 9,703,693,456.20 and 6,215,171,031.60 is: 9,322,756,547.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,469,128,970.80 : 9,703,693,456.20 = 6,215,171,031.60 : x
  2. Step 2: Convert to fraction form
    6,469,128,970.80/9,703,693,456.20 = 6,215,171,031.60/x
  3. Step 3: Cross multiply
    6,469,128,970.80x = 9,703,693,456.20 × 6,215,171,031.60
  4. Step 4: Simplify right side
    6,469,128,970.80x = 60,310,114,468,500,733,952
  5. Step 5: Solve for x
    x = 60,310,114,468,500,733,952/6,469,128,970.80
  6. Step 6: Final answer
    x = 9,322,756,547.40

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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.