Home / 519,656,190.96-717,217,943.40-310,835,307.36

Finding the Fourth Proportional to 519,656,190.96, 717,217,943.40 and 310,835,307.36

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Solution

The fourth proportional to 519,656,190.96, 717,217,943.40 and 310,835,307.36 is: 429,007,993.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,656,190.96 : 717,217,943.40 = 310,835,307.36 : x
  2. Step 2: Convert to fraction form
    519,656,190.96/717,217,943.40 = 310,835,307.36/x
  3. Step 3: Cross multiply
    519,656,190.96x = 717,217,943.40 × 310,835,307.36
  4. Step 4: Simplify right side
    519,656,190.96x = 222,936,659,880,846,080
  5. Step 5: Solve for x
    x = 222,936,659,880,846,080/519,656,190.96
  6. Step 6: Final answer
    x = 429,007,993.67

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.