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Finding the Fourth Proportional to 145,318,768,044.60, 217,978,152,066.90 and 145,318,768,044.60

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Solution

The fourth proportional to 145,318,768,044.60, 217,978,152,066.90 and 145,318,768,044.60 is: 217,978,152,066.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,318,768,044.60 : 217,978,152,066.90 = 145,318,768,044.60 : x
  2. Step 2: Convert to fraction form
    145,318,768,044.60/217,978,152,066.90 = 145,318,768,044.60/x
  3. Step 3: Cross multiply
    145,318,768,044.60x = 217,978,152,066.90 × 145,318,768,044.60
  4. Step 4: Simplify right side
    145,318,768,044.60x = 31,676,316,519,000,388,403,200
  5. Step 5: Solve for x
    x = 31,676,316,519,000,388,403,200/145,318,768,044.60
  6. Step 6: Final answer
    x = 217,978,152,066.90

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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.