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Finding the Fourth Proportional to 664,849,363.80, 997,274,045.70 and 664,849,363.80

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Solution

The fourth proportional to 664,849,363.80, 997,274,045.70 and 664,849,363.80 is: 997,274,045.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,849,363.80 : 997,274,045.70 = 664,849,363.80 : x
  2. Step 2: Convert to fraction form
    664,849,363.80/997,274,045.70 = 664,849,363.80/x
  3. Step 3: Cross multiply
    664,849,363.80x = 997,274,045.70 × 664,849,363.80
  4. Step 4: Simplify right side
    664,849,363.80x = 663,037,014,817,897,088
  5. Step 5: Solve for x
    x = 663,037,014,817,897,088/664,849,363.80
  6. Step 6: Final answer
    x = 997,274,045.70

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Double scale
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Similar ratio
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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.