Finding the Fourth Proportional to 418,246,544.95, 627,236,715.55 and 138,075,293.41
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Solution
The fourth proportional to 418,246,544.95, 627,236,715.55 and 138,075,293.41 is: 207,068,999.33
Step by Step Solution
- Step 1: Write the proportion equation
418,246,544.95 : 627,236,715.55 = 138,075,293.41 : x - Step 2: Convert to fraction form
418,246,544.95/627,236,715.55 = 138,075,293.41/x - Step 3: Cross multiply
418,246,544.95x = 627,236,715.55 × 138,075,293.41 - Step 4: Simplify right side
418,246,544.95x = 86,605,893,537,090,944 - Step 5: Solve for x
x = 86,605,893,537,090,944/418,246,544.95 - Step 6: Final answer
x = 207,068,999.33
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.