Home / 490,937,702.94-736,388,617.77-145,882,361.52

Finding the Fourth Proportional to 490,937,702.94, 736,388,617.77 and 145,882,361.52

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Solution

The fourth proportional to 490,937,702.94, 736,388,617.77 and 145,882,361.52 is: 218,818,212.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,937,702.94 : 736,388,617.77 = 145,882,361.52 : x
  2. Step 2: Convert to fraction form
    490,937,702.94/736,388,617.77 = 145,882,361.52/x
  3. Step 3: Cross multiply
    490,937,702.94x = 736,388,617.77 × 145,882,361.52
  4. Step 4: Simplify right side
    490,937,702.94x = 107,426,110,556,736,240
  5. Step 5: Solve for x
    x = 107,426,110,556,736,240/490,937,702.94
  6. Step 6: Final answer
    x = 218,818,212.40

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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.