Finding the Fourth Proportional to 286,471,222,737.71, 395,331,516,427.32 and 156,262,914,878.99
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Solution
The fourth proportional to 286,471,222,737.71, 395,331,516,427.32 and 156,262,914,878.99 is: 215,643,492,948.77
Step by Step Solution
- Step 1: Write the proportion equation
286,471,222,737.71 : 395,331,516,427.32 = 156,262,914,878.99 : x - Step 2: Convert to fraction form
286,471,222,737.71/395,331,516,427.32 = 156,262,914,878.99/x - Step 3: Cross multiply
286,471,222,737.71x = 395,331,516,427.32 × 156,262,914,878.99 - Step 4: Simplify right side
286,471,222,737.71x = 61,775,655,100,464,339,353,600 - Step 5: Solve for x
x = 61,775,655,100,464,339,353,600/286,471,222,737.71 - Step 6: Final answer
x = 215,643,492,948.77
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.