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Finding the Fourth Proportional to 996,856,395.80, 1,495,284,593.70 and 996,856,395.80

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Solution

The fourth proportional to 996,856,395.80, 1,495,284,593.70 and 996,856,395.80 is: 1,495,284,593.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,856,395.80 : 1,495,284,593.70 = 996,856,395.80 : x
  2. Step 2: Convert to fraction form
    996,856,395.80/1,495,284,593.70 = 996,856,395.80/x
  3. Step 3: Cross multiply
    996,856,395.80x = 1,495,284,593.70 × 996,856,395.80
  4. Step 4: Simplify right side
    996,856,395.80x = 1,490,584,010,771,049,472
  5. Step 5: Solve for x
    x = 1,490,584,010,771,049,472/996,856,395.80
  6. Step 6: Final answer
    x = 1,495,284,593.70

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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.