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Finding the Fourth Proportional to 577,299,694.20, 796,789,316.04 and 342,480,694.20

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Solution

The fourth proportional to 577,299,694.20, 796,789,316.04 and 342,480,694.20 is: 472,692,019.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,299,694.20 : 796,789,316.04 = 342,480,694.20 : x
  2. Step 2: Convert to fraction form
    577,299,694.20/796,789,316.04 = 342,480,694.20/x
  3. Step 3: Cross multiply
    577,299,694.20x = 796,789,316.04 × 342,480,694.20
  4. Step 4: Simplify right side
    577,299,694.20x = 272,884,958,088,522,368
  5. Step 5: Solve for x
    x = 272,884,958,088,522,368/577,299,694.20
  6. Step 6: Final answer
    x = 472,692,019.12

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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.