Home / 280,934,992,450.01-387,623,841,955.72-158,999,726,834.45

Finding the Fourth Proportional to 280,934,992,450.01, 387,623,841,955.72 and 158,999,726,834.45

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Solution

The fourth proportional to 280,934,992,450.01, 387,623,841,955.72 and 158,999,726,834.45 is: 219,382,015,917.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,934,992,450.01 : 387,623,841,955.72 = 158,999,726,834.45 : x
  2. Step 2: Convert to fraction form
    280,934,992,450.01/387,623,841,955.72 = 158,999,726,834.45/x
  3. Step 3: Cross multiply
    280,934,992,450.01x = 387,623,841,955.72 × 158,999,726,834.45
  4. Step 4: Simplify right side
    280,934,992,450.01x = 61,632,084,985,479,497,252,864
  5. Step 5: Solve for x
    x = 61,632,084,985,479,497,252,864/280,934,992,450.01
  6. Step 6: Final answer
    x = 219,382,015,917.60

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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.