Finding the Fourth Proportional to 781,972,530,125.19, 1,172,325,816,508.80 and 244,473,818,508.40
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Solution
The fourth proportional to 781,972,530,125.19, 1,172,325,816,508.80 and 244,473,818,508.40 is: 366,512,834,986.67
Step by Step Solution
- Step 1: Write the proportion equation
781,972,530,125.19 : 1,172,325,816,508.80 = 244,473,818,508.40 : x - Step 2: Convert to fraction form
781,972,530,125.19/1,172,325,816,508.80 = 244,473,818,508.40/x - Step 3: Cross multiply
781,972,530,125.19x = 1,172,325,816,508.80 × 244,473,818,508.40 - Step 4: Simplify right side
781,972,530,125.19x = 286,602,968,897,884,212,166,656 - Step 5: Solve for x
x = 286,602,968,897,884,212,166,656/781,972,530,125.19 - Step 6: Final answer
x = 366,512,834,986.67
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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.