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Finding the Fourth Proportional to 538,903,244.40, 808,354,866.60 and 334,829,900.40

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Solution

The fourth proportional to 538,903,244.40, 808,354,866.60 and 334,829,900.40 is: 502,244,850.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,903,244.40 : 808,354,866.60 = 334,829,900.40 : x
  2. Step 2: Convert to fraction form
    538,903,244.40/808,354,866.60 = 334,829,900.40/x
  3. Step 3: Cross multiply
    538,903,244.40x = 808,354,866.60 × 334,829,900.40
  4. Step 4: Simplify right side
    538,903,244.40x = 270,661,379,471,533,280
  5. Step 5: Solve for x
    x = 270,661,379,471,533,280/538,903,244.40
  6. Step 6: Final answer
    x = 502,244,850.60

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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.