Home / 258,976,006.40-388,464,009.60-177,346,668.80

Finding the Fourth Proportional to 258,976,006.40, 388,464,009.60 and 177,346,668.80

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Solution

The fourth proportional to 258,976,006.40, 388,464,009.60 and 177,346,668.80 is: 266,020,003.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,976,006.40 : 388,464,009.60 = 177,346,668.80 : x
  2. Step 2: Convert to fraction form
    258,976,006.40/388,464,009.60 = 177,346,668.80/x
  3. Step 3: Cross multiply
    258,976,006.40x = 388,464,009.60 × 177,346,668.80
  4. Step 4: Simplify right side
    258,976,006.40x = 68,892,798,051,251,232
  5. Step 5: Solve for x
    x = 68,892,798,051,251,232/258,976,006.40
  6. Step 6: Final answer
    x = 266,020,003.20

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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.