Finding the Fourth Proportional to 967,807,813,841.40, 1,335,567,988,876.80 and 528,345,198,059.70
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Solution
The fourth proportional to 967,807,813,841.40, 1,335,567,988,876.80 and 528,345,198,059.70 is: 729,112,664,222.55
Step by Step Solution
- Step 1: Write the proportion equation
967,807,813,841.40 : 1,335,567,988,876.80 = 528,345,198,059.70 : x - Step 2: Convert to fraction form
967,807,813,841.40/1,335,567,988,876.80 = 528,345,198,059.70/x - Step 3: Cross multiply
967,807,813,841.40x = 1,335,567,988,876.80 × 528,345,198,059.70 - Step 4: Simplify right side
967,807,813,841.40x = 705,640,933,605,308,127,772,672 - Step 5: Solve for x
x = 705,640,933,605,308,127,772,672/967,807,813,841.40 - Step 6: Final answer
x = 729,112,664,222.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.