Home / 661,970,999,604.98-992,956,512,544.86-158,893,387,821.20

Finding the Fourth Proportional to 661,970,999,604.98, 992,956,512,544.86 and 158,893,387,821.20

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Solution

The fourth proportional to 661,970,999,604.98, 992,956,512,544.86 and 158,893,387,821.20 is: 238,340,084,885.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,970,999,604.98 : 992,956,512,544.86 = 158,893,387,821.20 : x
  2. Step 2: Convert to fraction form
    661,970,999,604.98/992,956,512,544.86 = 158,893,387,821.20/x
  3. Step 3: Cross multiply
    661,970,999,604.98x = 992,956,512,544.86 × 158,893,387,821.20
  4. Step 4: Simplify right side
    661,970,999,604.98x = 157,774,224,237,376,699,367,424
  5. Step 5: Solve for x
    x = 157,774,224,237,376,699,367,424/661,970,999,604.98
  6. Step 6: Final answer
    x = 238,340,084,885.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.