Home / 380,661,084,331.20-525,350,826,763.20-218,102,292,717.12

Finding the Fourth Proportional to 380,661,084,331.20, 525,350,826,763.20 and 218,102,292,717.12

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Solution

The fourth proportional to 380,661,084,331.20, 525,350,826,763.20 and 218,102,292,717.12 is: 301,003,240,189.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,661,084,331.20 : 525,350,826,763.20 = 218,102,292,717.12 : x
  2. Step 2: Convert to fraction form
    380,661,084,331.20/525,350,826,763.20 = 218,102,292,717.12/x
  3. Step 3: Cross multiply
    380,661,084,331.20x = 525,350,826,763.20 × 218,102,292,717.12
  4. Step 4: Simplify right side
    380,661,084,331.20x = 114,580,219,797,888,445,710,336
  5. Step 5: Solve for x
    x = 114,580,219,797,888,445,710,336/380,661,084,331.20
  6. Step 6: Final answer
    x = 301,003,240,189.89

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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.