Home / 340,033,280.40-510,049,920.60-203,984,384.40

Finding the Fourth Proportional to 340,033,280.40, 510,049,920.60 and 203,984,384.40

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Solution

The fourth proportional to 340,033,280.40, 510,049,920.60 and 203,984,384.40 is: 305,976,576.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,033,280.40 : 510,049,920.60 = 203,984,384.40 : x
  2. Step 2: Convert to fraction form
    340,033,280.40/510,049,920.60 = 203,984,384.40/x
  3. Step 3: Cross multiply
    340,033,280.40x = 510,049,920.60 × 203,984,384.40
  4. Step 4: Simplify right side
    340,033,280.40x = 104,042,219,066,859,888
  5. Step 5: Solve for x
    x = 104,042,219,066,859,888/340,033,280.40
  6. Step 6: Final answer
    x = 305,976,576.60

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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.