Home / 299,907,947,420.40-413,884,899,969.72-164,581,970,656.56

Finding the Fourth Proportional to 299,907,947,420.40, 413,884,899,969.72 and 164,581,970,656.56

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Solution

The fourth proportional to 299,907,947,420.40, 413,884,899,969.72 and 164,581,970,656.56 is: 227,129,667,779.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,907,947,420.40 : 413,884,899,969.72 = 164,581,970,656.56 : x
  2. Step 2: Convert to fraction form
    299,907,947,420.40/413,884,899,969.72 = 164,581,970,656.56/x
  3. Step 3: Cross multiply
    299,907,947,420.40x = 413,884,899,969.72 × 164,581,970,656.56
  4. Step 4: Simplify right side
    299,907,947,420.40x = 68,117,992,462,009,726,140,416
  5. Step 5: Solve for x
    x = 68,117,992,462,009,726,140,416/299,907,947,420.40
  6. Step 6: Final answer
    x = 227,129,667,779.44

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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.