Home / 412,924,560.30-619,386,840.45-290,241,405.45

Finding the Fourth Proportional to 412,924,560.30, 619,386,840.45 and 290,241,405.45

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Solution

The fourth proportional to 412,924,560.30, 619,386,840.45 and 290,241,405.45 is: 435,362,108.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,924,560.30 : 619,386,840.45 = 290,241,405.45 : x
  2. Step 2: Convert to fraction form
    412,924,560.30/619,386,840.45 = 290,241,405.45/x
  3. Step 3: Cross multiply
    412,924,560.30x = 619,386,840.45 × 290,241,405.45
  4. Step 4: Simplify right side
    412,924,560.30x = 179,771,707,089,442,912
  5. Step 5: Solve for x
    x = 179,771,707,089,442,912/412,924,560.30
  6. Step 6: Final answer
    x = 435,362,108.18

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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.