Home / 1,028,702,810.67-1,419,648,902.36-576,589,134.28

Finding the Fourth Proportional to 1,028,702,810.67, 1,419,648,902.36 and 576,589,134.28

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Solution

The fourth proportional to 1,028,702,810.67, 1,419,648,902.36 and 576,589,134.28 is: 795,714,878.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,702,810.67 : 1,419,648,902.36 = 576,589,134.28 : x
  2. Step 2: Convert to fraction form
    1,028,702,810.67/1,419,648,902.36 = 576,589,134.28/x
  3. Step 3: Cross multiply
    1,028,702,810.67x = 1,419,648,902.36 × 576,589,134.28
  4. Step 4: Simplify right side
    1,028,702,810.67x = 818,554,131,592,196,224
  5. Step 5: Solve for x
    x = 818,554,131,592,196,224/1,028,702,810.67
  6. Step 6: Final answer
    x = 795,714,878.10

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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.