Finding the Fourth Proportional to 781,972,539,665.76, 1,172,325,830,801.60 and 244,473,828,049.80
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Solution
The fourth proportional to 781,972,539,665.76, 1,172,325,830,801.60 and 244,473,828,049.80 is: 366,512,849,287.82
Step by Step Solution
- Step 1: Write the proportion equation
781,972,539,665.76 : 1,172,325,830,801.60 = 244,473,828,049.80 : x - Step 2: Convert to fraction form
781,972,539,665.76/1,172,325,830,801.60 = 244,473,828,049.80/x - Step 3: Cross multiply
781,972,539,665.76x = 1,172,325,830,801.60 × 244,473,828,049.80 - Step 4: Simplify right side
781,972,539,665.76x = 286,602,983,577,729,303,052,288 - Step 5: Solve for x
x = 286,602,983,577,729,303,052,288/781,972,539,665.76 - Step 6: Final answer
x = 366,512,849,287.82
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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.