Finding the Fourth Proportional to 781,972,539,419.94, 1,172,325,830,434.30 and 244,473,827,804.55
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Solution
The fourth proportional to 781,972,539,419.94, 1,172,325,830,434.30 and 244,473,827,804.55 is: 366,512,848,920.53
Step by Step Solution
- Step 1: Write the proportion equation
781,972,539,419.94 : 1,172,325,830,434.30 = 244,473,827,804.55 : x - Step 2: Convert to fraction form
781,972,539,419.94/1,172,325,830,434.30 = 244,473,827,804.55/x - Step 3: Cross multiply
781,972,539,419.94x = 1,172,325,830,434.30 × 244,473,827,804.55 - Step 4: Simplify right side
781,972,539,419.94x = 286,602,983,200,421,123,719,168 - Step 5: Solve for x
x = 286,602,983,200,421,123,719,168/781,972,539,419.94 - Step 6: Final answer
x = 366,512,848,920.53
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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.