Finding the Fourth Proportional to 967,708,840.20, 1,451,563,260.30 and 867,939,649.80
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Solution
The fourth proportional to 967,708,840.20, 1,451,563,260.30 and 867,939,649.80 is: 1,301,909,474.70
Step by Step Solution
- Step 1: Write the proportion equation
967,708,840.20 : 1,451,563,260.30 = 867,939,649.80 : x - Step 2: Convert to fraction form
967,708,840.20/1,451,563,260.30 = 867,939,649.80/x - Step 3: Cross multiply
967,708,840.20x = 1,451,563,260.30 × 867,939,649.80 - Step 4: Simplify right side
967,708,840.20x = 1,259,869,307,807,328,256 - Step 5: Solve for x
x = 1,259,869,307,807,328,256/967,708,840.20 - Step 6: Final answer
x = 1,301,909,474.70
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1.5x scale
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.