Home / 675,609,952.02-1,013,511,195.72-209,308,028.96

Finding the Fourth Proportional to 675,609,952.02, 1,013,511,195.72 and 209,308,028.96

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Solution

The fourth proportional to 675,609,952.02, 1,013,511,195.72 and 209,308,028.96 is: 313,991,867.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,609,952.02 : 1,013,511,195.72 = 209,308,028.96 : x
  2. Step 2: Convert to fraction form
    675,609,952.02/1,013,511,195.72 = 209,308,028.96/x
  3. Step 3: Cross multiply
    675,609,952.02x = 1,013,511,195.72 × 209,308,028.96
  4. Step 4: Simplify right side
    675,609,952.02x = 212,136,030,699,978,464
  5. Step 5: Solve for x
    x = 212,136,030,699,978,464/675,609,952.02
  6. Step 6: Final answer
    x = 313,991,867.74

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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.