Home / 980,201,699.78-1,352,638,986.98-534,155,556.22

Finding the Fourth Proportional to 980,201,699.78, 1,352,638,986.98 and 534,155,556.22

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Solution

The fourth proportional to 980,201,699.78, 1,352,638,986.98 and 534,155,556.22 is: 737,113,219.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,201,699.78 : 1,352,638,986.98 = 534,155,556.22 : x
  2. Step 2: Convert to fraction form
    980,201,699.78/1,352,638,986.98 = 534,155,556.22/x
  3. Step 3: Cross multiply
    980,201,699.78x = 1,352,638,986.98 × 534,155,556.22
  4. Step 4: Simplify right side
    980,201,699.78x = 722,519,630,455,159,296
  5. Step 5: Solve for x
    x = 722,519,630,455,159,296/980,201,699.78
  6. Step 6: Final answer
    x = 737,113,219.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.