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Finding the Fourth Proportional to 995,671,098.40, 1,493,506,647.60 and 897,035,648.80

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Solution

The fourth proportional to 995,671,098.40, 1,493,506,647.60 and 897,035,648.80 is: 1,345,553,473.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,671,098.40 : 1,493,506,647.60 = 897,035,648.80 : x
  2. Step 2: Convert to fraction form
    995,671,098.40/1,493,506,647.60 = 897,035,648.80/x
  3. Step 3: Cross multiply
    995,671,098.40x = 1,493,506,647.60 × 897,035,648.80
  4. Step 4: Simplify right side
    995,671,098.40x = 1,339,728,704,616,978,688
  5. Step 5: Solve for x
    x = 1,339,728,704,616,978,688/995,671,098.40
  6. Step 6: Final answer
    x = 1,345,553,473.20

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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.