Finding the Fourth Proportional to 883,844,270.68, 1,325,868,978.37 and 293,687,177.87
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Solution
The fourth proportional to 883,844,270.68, 1,325,868,978.37 and 293,687,177.87 is: 440,564,849.94
Step by Step Solution
- Step 1: Write the proportion equation
883,844,270.68 : 1,325,868,978.37 = 293,687,177.87 : x - Step 2: Convert to fraction form
883,844,270.68/1,325,868,978.37 = 293,687,177.87/x - Step 3: Cross multiply
883,844,270.68x = 1,325,868,978.37 × 293,687,177.87 - Step 4: Simplify right side
883,844,270.68x = 389,390,718,485,445,824 - Step 5: Solve for x
x = 389,390,718,485,445,824/883,844,270.68 - Step 6: Final answer
x = 440,564,849.94
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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.