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Finding the Fourth Proportional to 931,588,575.60, 1,394,695,477.80 and 931,588,575.60

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Solution

The fourth proportional to 931,588,575.60, 1,394,695,477.80 and 931,588,575.60 is: 1,394,695,477.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,588,575.60 : 1,394,695,477.80 = 931,588,575.60 : x
  2. Step 2: Convert to fraction form
    931,588,575.60/1,394,695,477.80 = 931,588,575.60/x
  3. Step 3: Cross multiply
    931,588,575.60x = 1,394,695,477.80 × 931,588,575.60
  4. Step 4: Simplify right side
    931,588,575.60x = 1,299,282,373,559,463,424
  5. Step 5: Solve for x
    x = 1,299,282,373,559,463,424/931,588,575.60
  6. Step 6: Final answer
    x = 1,394,695,477.80

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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.