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Finding the Fourth Proportional to 2,918,978,938.32, 4,379,031,735 and 953,303,567.88

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Solution

The fourth proportional to 2,918,978,938.32, 4,379,031,735 and 953,303,567.88 is: 1,430,139,327.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918,978,938.32 : 4,379,031,735 = 953,303,567.88 : x
  2. Step 2: Convert to fraction form
    2,918,978,938.32/4,379,031,735 = 953,303,567.88/x
  3. Step 3: Cross multiply
    2,918,978,938.32x = 4,379,031,735 × 953,303,567.88
  4. Step 4: Simplify right side
    2,918,978,938.32x = 4,174,546,576,835,246,592
  5. Step 5: Solve for x
    x = 4,174,546,576,835,246,592/2,918,978,938.32
  6. Step 6: Final answer
    x = 1,430,139,327.84

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.