Home / 995,328,009.70-1,492,992,014.55-612,591,216.10

Finding the Fourth Proportional to 995,328,009.70, 1,492,992,014.55 and 612,591,216.10

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Solution

The fourth proportional to 995,328,009.70, 1,492,992,014.55 and 612,591,216.10 is: 918,886,824.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,328,009.70 : 1,492,992,014.55 = 612,591,216.10 : x
  2. Step 2: Convert to fraction form
    995,328,009.70/1,492,992,014.55 = 612,591,216.10/x
  3. Step 3: Cross multiply
    995,328,009.70x = 1,492,992,014.55 × 612,591,216.10
  4. Step 4: Simplify right side
    995,328,009.70x = 914,593,793,820,773,376
  5. Step 5: Solve for x
    x = 914,593,793,820,773,376/995,328,009.70
  6. Step 6: Final answer
    x = 918,886,824.15

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Double scale
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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.