Finding the Fourth Proportional to 277,435,987.68, 415,711,305.68 and 203,316,254.81
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Solution
The fourth proportional to 277,435,987.68, 415,711,305.68 and 203,316,254.81 is: 304,649,971.54
Step by Step Solution
- Step 1: Write the proportion equation
277,435,987.68 : 415,711,305.68 = 203,316,254.81 : x - Step 2: Convert to fraction form
277,435,987.68/415,711,305.68 = 203,316,254.81/x - Step 3: Cross multiply
277,435,987.68x = 415,711,305.68 × 203,316,254.81 - Step 4: Simplify right side
277,435,987.68x = 84,520,865,750,954,128 - Step 5: Solve for x
x = 84,520,865,750,954,128/277,435,987.68 - Step 6: Final answer
x = 304,649,971.54
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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.