Home / 833,906,009.42-1,150,312,175.07-520,095,409.58

Finding the Fourth Proportional to 833,906,009.42, 1,150,312,175.07 and 520,095,409.58

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Solution

The fourth proportional to 833,906,009.42, 1,150,312,175.07 and 520,095,409.58 is: 717,433,469.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,906,009.42 : 1,150,312,175.07 = 520,095,409.58 : x
  2. Step 2: Convert to fraction form
    833,906,009.42/1,150,312,175.07 = 520,095,409.58/x
  3. Step 3: Cross multiply
    833,906,009.42x = 1,150,312,175.07 × 520,095,409.58
  4. Step 4: Simplify right side
    833,906,009.42x = 598,272,081,837,892,224
  5. Step 5: Solve for x
    x = 598,272,081,837,892,224/833,906,009.42
  6. Step 6: Final answer
    x = 717,433,469.82

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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.