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Finding the Fourth Proportional to 637,243,669.60, 955,865,504.40 and 637,243,669.60

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Solution

The fourth proportional to 637,243,669.60, 955,865,504.40 and 637,243,669.60 is: 955,865,504.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,243,669.60 : 955,865,504.40 = 637,243,669.60 : x
  2. Step 2: Convert to fraction form
    637,243,669.60/955,865,504.40 = 637,243,669.60/x
  3. Step 3: Cross multiply
    637,243,669.60x = 955,865,504.40 × 637,243,669.60
  4. Step 4: Simplify right side
    637,243,669.60x = 609,119,241,667,910,912
  5. Step 5: Solve for x
    x = 609,119,241,667,910,912/637,243,669.60
  6. Step 6: Final answer
    x = 955,865,504.40

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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.