Home / 546,341,796.31-819,395,277.07-172,879,277.13

Finding the Fourth Proportional to 546,341,796.31, 819,395,277.07 and 172,879,277.13

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Solution

The fourth proportional to 546,341,796.31, 819,395,277.07 and 172,879,277.13 is: 259,281,761.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,341,796.31 : 819,395,277.07 = 172,879,277.13 : x
  2. Step 2: Convert to fraction form
    546,341,796.31/819,395,277.07 = 172,879,277.13/x
  3. Step 3: Cross multiply
    546,341,796.31x = 819,395,277.07 × 172,879,277.13
  4. Step 4: Simplify right side
    546,341,796.31x = 141,656,463,183,597,664
  5. Step 5: Solve for x
    x = 141,656,463,183,597,664/546,341,796.31
  6. Step 6: Final answer
    x = 259,281,761.24

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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.