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Finding the Fourth Proportional to 976,957,683.60, 1,371,368,727.60 and 976,957,683.60

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Solution

The fourth proportional to 976,957,683.60, 1,371,368,727.60 and 976,957,683.60 is: 1,371,368,727.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,957,683.60 : 1,371,368,727.60 = 976,957,683.60 : x
  2. Step 2: Convert to fraction form
    976,957,683.60/1,371,368,727.60 = 976,957,683.60/x
  3. Step 3: Cross multiply
    976,957,683.60x = 1,371,368,727.60 × 976,957,683.60
  4. Step 4: Simplify right side
    976,957,683.60x = 1,339,769,215,477,575,424
  5. Step 5: Solve for x
    x = 1,339,769,215,477,575,424/976,957,683.60
  6. Step 6: Final answer
    x = 1,371,368,727.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.