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Finding the Fourth Proportional to 566,889,670.40, 850,334,505.60 and 429,833,004.80

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Solution

The fourth proportional to 566,889,670.40, 850,334,505.60 and 429,833,004.80 is: 644,749,507.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,889,670.40 : 850,334,505.60 = 429,833,004.80 : x
  2. Step 2: Convert to fraction form
    566,889,670.40/850,334,505.60 = 429,833,004.80/x
  3. Step 3: Cross multiply
    566,889,670.40x = 850,334,505.60 × 429,833,004.80
  4. Step 4: Simplify right side
    566,889,670.40x = 365,501,835,627,170,432
  5. Step 5: Solve for x
    x = 365,501,835,627,170,432/566,889,670.40
  6. Step 6: Final answer
    x = 644,749,507.20

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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.