Home / 515,464,003.84-773,268,638.28-165,592,754.48

Finding the Fourth Proportional to 515,464,003.84, 773,268,638.28 and 165,592,754.48

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Solution

The fourth proportional to 515,464,003.84, 773,268,638.28 and 165,592,754.48 is: 248,412,464.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,464,003.84 : 773,268,638.28 = 165,592,754.48 : x
  2. Step 2: Convert to fraction form
    515,464,003.84/773,268,638.28 = 165,592,754.48/x
  3. Step 3: Cross multiply
    515,464,003.84x = 773,268,638.28 × 165,592,754.48
  4. Step 4: Simplify right side
    515,464,003.84x = 128,047,683,765,783,952
  5. Step 5: Solve for x
    x = 128,047,683,765,783,952/515,464,003.84
  6. Step 6: Final answer
    x = 248,412,464.91

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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.