Home / 995,328,010.30-1,492,992,015.45-485,720,074.30

Finding the Fourth Proportional to 995,328,010.30, 1,492,992,015.45 and 485,720,074.30

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Solution

The fourth proportional to 995,328,010.30, 1,492,992,015.45 and 485,720,074.30 is: 728,580,111.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,328,010.30 : 1,492,992,015.45 = 485,720,074.30 : x
  2. Step 2: Convert to fraction form
    995,328,010.30/1,492,992,015.45 = 485,720,074.30/x
  3. Step 3: Cross multiply
    995,328,010.30x = 1,492,992,015.45 × 485,720,074.30
  4. Step 4: Simplify right side
    995,328,010.30x = 725,176,192,673,680,768
  5. Step 5: Solve for x
    x = 725,176,192,673,680,768/995,328,010.30
  6. Step 6: Final answer
    x = 728,580,111.45

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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.