Home / 1,308,646,970.67-1,805,924,247.15-744,131,893.53

Finding the Fourth Proportional to 1,308,646,970.67, 1,805,924,247.15 and 744,131,893.53

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Solution

The fourth proportional to 1,308,646,970.67, 1,805,924,247.15 and 744,131,893.53 is: 1,026,897,138.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,646,970.67 : 1,805,924,247.15 = 744,131,893.53 : x
  2. Step 2: Convert to fraction form
    1,308,646,970.67/1,805,924,247.15 = 744,131,893.53/x
  3. Step 3: Cross multiply
    1,308,646,970.67x = 1,805,924,247.15 × 744,131,893.53
  4. Step 4: Simplify right side
    1,308,646,970.67x = 1,343,845,829,603,469,312
  5. Step 5: Solve for x
    x = 1,343,845,829,603,469,312/1,308,646,970.67
  6. Step 6: Final answer
    x = 1,026,897,138.59

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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.