Home / 280,934,992,450.58-387,623,841,956.51-158,999,726,835.01

Finding the Fourth Proportional to 280,934,992,450.58, 387,623,841,956.51 and 158,999,726,835.01

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Solution

The fourth proportional to 280,934,992,450.58, 387,623,841,956.51 and 158,999,726,835.01 is: 219,382,015,918.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,934,992,450.58 : 387,623,841,956.51 = 158,999,726,835.01 : x
  2. Step 2: Convert to fraction form
    280,934,992,450.58/387,623,841,956.51 = 158,999,726,835.01/x
  3. Step 3: Cross multiply
    280,934,992,450.58x = 387,623,841,956.51 × 158,999,726,835.01
  4. Step 4: Simplify right side
    280,934,992,450.58x = 61,632,084,985,822,180,278,272
  5. Step 5: Solve for x
    x = 61,632,084,985,822,180,278,272/280,934,992,450.58
  6. Step 6: Final answer
    x = 219,382,015,918.38

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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.