Home / 340,033,274.40-510,049,911.60-203,984,378.40

Finding the Fourth Proportional to 340,033,274.40, 510,049,911.60 and 203,984,378.40

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Solution

The fourth proportional to 340,033,274.40, 510,049,911.60 and 203,984,378.40 is: 305,976,567.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,033,274.40 : 510,049,911.60 = 203,984,378.40 : x
  2. Step 2: Convert to fraction form
    340,033,274.40/510,049,911.60 = 203,984,378.40/x
  3. Step 3: Cross multiply
    340,033,274.40x = 510,049,911.60 × 203,984,378.40
  4. Step 4: Simplify right side
    340,033,274.40x = 104,042,214,170,700,960
  5. Step 5: Solve for x
    x = 104,042,214,170,700,960/340,033,274.40
  6. Step 6: Final answer
    x = 305,976,567.60

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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.