Home / 280,934,992,450.76-387,623,841,956.76-158,999,726,835.20

Finding the Fourth Proportional to 280,934,992,450.76, 387,623,841,956.76 and 158,999,726,835.20

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Solution

The fourth proportional to 280,934,992,450.76, 387,623,841,956.76 and 158,999,726,835.20 is: 219,382,015,918.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,934,992,450.76 : 387,623,841,956.76 = 158,999,726,835.20 : x
  2. Step 2: Convert to fraction form
    280,934,992,450.76/387,623,841,956.76 = 158,999,726,835.20/x
  3. Step 3: Cross multiply
    280,934,992,450.76x = 387,623,841,956.76 × 158,999,726,835.20
  4. Step 4: Simplify right side
    280,934,992,450.76x = 61,632,084,985,935,585,869,824
  5. Step 5: Solve for x
    x = 61,632,084,985,935,585,869,824/280,934,992,450.76
  6. Step 6: Final answer
    x = 219,382,015,918.64

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Double scale
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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.