Home / 472,889,785.64-652,584,007.89-258,308,607.69

Finding the Fourth Proportional to 472,889,785.64, 652,584,007.89 and 258,308,607.69

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Solution

The fourth proportional to 472,889,785.64, 652,584,007.89 and 258,308,607.69 is: 356,463,750.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,889,785.64 : 652,584,007.89 = 258,308,607.69 : x
  2. Step 2: Convert to fraction form
    472,889,785.64/652,584,007.89 = 258,308,607.69/x
  3. Step 3: Cross multiply
    472,889,785.64x = 652,584,007.89 × 258,308,607.69
  4. Step 4: Simplify right side
    472,889,785.64x = 168,568,066,478,825,856
  5. Step 5: Solve for x
    x = 168,568,066,478,825,856/472,889,785.64
  6. Step 6: Final answer
    x = 356,463,750.33

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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.