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Finding the Fourth Proportional to 551,671,217,916.30, 827,506,826,874.45 and 551,671,217,916.30

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Solution

The fourth proportional to 551,671,217,916.30, 827,506,826,874.45 and 551,671,217,916.30 is: 827,506,826,874.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,671,217,916.30 : 827,506,826,874.45 = 551,671,217,916.30 : x
  2. Step 2: Convert to fraction form
    551,671,217,916.30/827,506,826,874.45 = 551,671,217,916.30/x
  3. Step 3: Cross multiply
    551,671,217,916.30x = 827,506,826,874.45 × 551,671,217,916.30
  4. Step 4: Simplify right side
    551,671,217,916.30x = 456,511,699,015,880,648,163,328
  5. Step 5: Solve for x
    x = 456,511,699,015,880,648,163,328/551,671,217,916.30
  6. Step 6: Final answer
    x = 827,506,826,874.45

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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.