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Finding the Fourth Proportional to 614,847,662.40, 922,271,493.60 and 555,538,846.80

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Solution

The fourth proportional to 614,847,662.40, 922,271,493.60 and 555,538,846.80 is: 833,308,270.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,847,662.40 : 922,271,493.60 = 555,538,846.80 : x
  2. Step 2: Convert to fraction form
    614,847,662.40/922,271,493.60 = 555,538,846.80/x
  3. Step 3: Cross multiply
    614,847,662.40x = 922,271,493.60 × 555,538,846.80
  4. Step 4: Simplify right side
    614,847,662.40x = 512,357,641,991,057,536
  5. Step 5: Solve for x
    x = 512,357,641,991,057,536/614,847,662.40
  6. Step 6: Final answer
    x = 833,308,270.20

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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.