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Finding the Fourth Proportional to 580,992,009.60, 871,488,014.40 and 536,650,147.20

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Solution

The fourth proportional to 580,992,009.60, 871,488,014.40 and 536,650,147.20 is: 804,975,220.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,992,009.60 : 871,488,014.40 = 536,650,147.20 : x
  2. Step 2: Convert to fraction form
    580,992,009.60/871,488,014.40 = 536,650,147.20/x
  3. Step 3: Cross multiply
    580,992,009.60x = 871,488,014.40 × 536,650,147.20
  4. Step 4: Simplify right side
    580,992,009.60x = 467,684,171,210,795,712
  5. Step 5: Solve for x
    x = 467,684,171,210,795,712/580,992,009.60
  6. Step 6: Final answer
    x = 804,975,220.80

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Double scale
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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.