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Finding the Fourth Proportional to 599,137,938.40, 898,706,907.60 and 235,644,152.80

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Solution

The fourth proportional to 599,137,938.40, 898,706,907.60 and 235,644,152.80 is: 353,466,229.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,137,938.40 : 898,706,907.60 = 235,644,152.80 : x
  2. Step 2: Convert to fraction form
    599,137,938.40/898,706,907.60 = 235,644,152.80/x
  3. Step 3: Cross multiply
    599,137,938.40x = 898,706,907.60 × 235,644,152.80
  4. Step 4: Simplify right side
    599,137,938.40x = 211,775,027,856,909,888
  5. Step 5: Solve for x
    x = 211,775,027,856,909,888/599,137,938.40
  6. Step 6: Final answer
    x = 353,466,229.20

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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.