Home / 19,903,765,733.75-29,855,760,211.02-6,638,987,599.59

Finding the Fourth Proportional to 19,903,765,733.75, 29,855,760,211.02 and 6,638,987,599.59

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Solution

The fourth proportional to 19,903,765,733.75, 29,855,760,211.02 and 6,638,987,599.59 is: 9,958,518,627.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,903,765,733.75 : 29,855,760,211.02 = 6,638,987,599.59 : x
  2. Step 2: Convert to fraction form
    19,903,765,733.75/29,855,760,211.02 = 6,638,987,599.59/x
  3. Step 3: Cross multiply
    19,903,765,733.75x = 29,855,760,211.02 × 6,638,987,599.59
  4. Step 4: Simplify right side
    19,903,765,733.75x = 198,212,021,817,294,323,712
  5. Step 5: Solve for x
    x = 198,212,021,817,294,323,712/19,903,765,733.75
  6. Step 6: Final answer
    x = 9,958,518,627.52

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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.