Finding the Fourth Proportional to 2,918,786,317.25, 4,385,164,088.88 and 1,871,576,241.66
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Solution
The fourth proportional to 2,918,786,317.25, 4,385,164,088.88 and 1,871,576,241.66 is: 2,811,843,017.09
Step by Step Solution
- Step 1: Write the proportion equation
2,918,786,317.25 : 4,385,164,088.88 = 1,871,576,241.66 : x - Step 2: Convert to fraction form
2,918,786,317.25/4,385,164,088.88 = 1,871,576,241.66/x - Step 3: Cross multiply
2,918,786,317.25x = 4,385,164,088.88 × 1,871,576,241.66 - Step 4: Simplify right side
2,918,786,317.25x = 8,207,168,924,528,429,056 - Step 5: Solve for x
x = 8,207,168,924,528,429,056/2,918,786,317.25 - Step 6: Final answer
x = 2,811,843,017.09
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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.