Home / 490,733,896.71-677,201,878.59-270,717,264.39

Finding the Fourth Proportional to 490,733,896.71, 677,201,878.59 and 270,717,264.39

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Solution

The fourth proportional to 490,733,896.71, 677,201,878.59 and 270,717,264.39 is: 373,583,812.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,733,896.71 : 677,201,878.59 = 270,717,264.39 : x
  2. Step 2: Convert to fraction form
    490,733,896.71/677,201,878.59 = 270,717,264.39/x
  3. Step 3: Cross multiply
    490,733,896.71x = 677,201,878.59 × 270,717,264.39
  4. Step 4: Simplify right side
    490,733,896.71x = 183,330,240,011,653,696
  5. Step 5: Solve for x
    x = 183,330,240,011,653,696/490,733,896.71
  6. Step 6: Final answer
    x = 373,583,812.41

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Why These Related Problems?

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