Home / 280,934,992,450.33-387,623,841,956.16-158,999,726,834.76

Finding the Fourth Proportional to 280,934,992,450.33, 387,623,841,956.16 and 158,999,726,834.76

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Solution

The fourth proportional to 280,934,992,450.33, 387,623,841,956.16 and 158,999,726,834.76 is: 219,382,015,918.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,934,992,450.33 : 387,623,841,956.16 = 158,999,726,834.76 : x
  2. Step 2: Convert to fraction form
    280,934,992,450.33/387,623,841,956.16 = 158,999,726,834.76/x
  3. Step 3: Cross multiply
    280,934,992,450.33x = 387,623,841,956.16 × 158,999,726,834.76
  4. Step 4: Simplify right side
    280,934,992,450.33x = 61,632,084,985,669,625,053,184
  5. Step 5: Solve for x
    x = 61,632,084,985,669,625,053,184/280,934,992,450.33
  6. Step 6: Final answer
    x = 219,382,015,918.03

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1.5x scale

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.