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Finding the Fourth Proportional to 315,675,953,995.20, 473,513,930,992.80 and 315,675,953,995.20

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Solution

The fourth proportional to 315,675,953,995.20, 473,513,930,992.80 and 315,675,953,995.20 is: 473,513,930,992.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,675,953,995.20 : 473,513,930,992.80 = 315,675,953,995.20 : x
  2. Step 2: Convert to fraction form
    315,675,953,995.20/473,513,930,992.80 = 315,675,953,995.20/x
  3. Step 3: Cross multiply
    315,675,953,995.20x = 473,513,930,992.80 × 315,675,953,995.20
  4. Step 4: Simplify right side
    315,675,953,995.20x = 149,476,961,896,169,434,251,264
  5. Step 5: Solve for x
    x = 149,476,961,896,169,434,251,264/315,675,953,995.20
  6. Step 6: Final answer
    x = 473,513,930,992.80

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Double scale
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Similar ratio
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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.