Home / 538,097,241,971.95-807,146,639,786.60-219,743,440,719.45

Finding the Fourth Proportional to 538,097,241,971.95, 807,146,639,786.60 and 219,743,440,719.45

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Solution

The fourth proportional to 538,097,241,971.95, 807,146,639,786.60 and 219,743,440,719.45 is: 329,615,478,313.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,097,241,971.95 : 807,146,639,786.60 = 219,743,440,719.45 : x
  2. Step 2: Convert to fraction form
    538,097,241,971.95/807,146,639,786.60 = 219,743,440,719.45/x
  3. Step 3: Cross multiply
    538,097,241,971.95x = 807,146,639,786.60 × 219,743,440,719.45
  4. Step 4: Simplify right side
    538,097,241,971.95x = 177,365,179,791,850,017,390,592
  5. Step 5: Solve for x
    x = 177,365,179,791,850,017,390,592/538,097,241,971.95
  6. Step 6: Final answer
    x = 329,615,478,313.67

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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.