Home / 1,309,968,663.40-1,964,952,995.10-1,202,830,157.80

Finding the Fourth Proportional to 1,309,968,663.40, 1,964,952,995.10 and 1,202,830,157.80

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Solution

The fourth proportional to 1,309,968,663.40, 1,964,952,995.10 and 1,202,830,157.80 is: 1,804,245,236.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,968,663.40 : 1,964,952,995.10 = 1,202,830,157.80 : x
  2. Step 2: Convert to fraction form
    1,309,968,663.40/1,964,952,995.10 = 1,202,830,157.80/x
  3. Step 3: Cross multiply
    1,309,968,663.40x = 1,964,952,995.10 × 1,202,830,157.80
  4. Step 4: Simplify right side
    1,309,968,663.40x = 2,363,504,721,165,715,456
  5. Step 5: Solve for x
    x = 2,363,504,721,165,715,456/1,309,968,663.40
  6. Step 6: Final answer
    x = 1,804,245,236.70

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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.