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Finding the Fourth Proportional to 309,049,713,046.80, 463,574,569,570.20 and 309,049,713,046.80

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Solution

The fourth proportional to 309,049,713,046.80, 463,574,569,570.20 and 309,049,713,046.80 is: 463,574,569,570.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,049,713,046.80 : 463,574,569,570.20 = 309,049,713,046.80 : x
  2. Step 2: Convert to fraction form
    309,049,713,046.80/463,574,569,570.20 = 309,049,713,046.80/x
  3. Step 3: Cross multiply
    309,049,713,046.80x = 463,574,569,570.20 × 309,049,713,046.80
  4. Step 4: Simplify right side
    309,049,713,046.80x = 143,267,587,701,464,128,028,672
  5. Step 5: Solve for x
    x = 143,267,587,701,464,128,028,672/309,049,713,046.80
  6. Step 6: Final answer
    x = 463,574,569,570.20

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Double scale
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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.