Home / 660,074,388.58-910,909,906.78-362,716,707.70

Finding the Fourth Proportional to 660,074,388.58, 910,909,906.78 and 362,716,707.70

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Solution

The fourth proportional to 660,074,388.58, 910,909,906.78 and 362,716,707.70 is: 500,553,040.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,074,388.58 : 910,909,906.78 = 362,716,707.70 : x
  2. Step 2: Convert to fraction form
    660,074,388.58/910,909,906.78 = 362,716,707.70/x
  3. Step 3: Cross multiply
    660,074,388.58x = 910,909,906.78 × 362,716,707.70
  4. Step 4: Simplify right side
    660,074,388.58x = 330,402,242,396,741,888
  5. Step 5: Solve for x
    x = 330,402,242,396,741,888/660,074,388.58
  6. Step 6: Final answer
    x = 500,553,040.86

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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.