Finding the Fourth Proportional to 359,395,916.73, 537,675,443.49 and 272,208,591.99
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Solution
The fourth proportional to 359,395,916.73, 537,675,443.49 and 272,208,591.99 is: 407,238,559.50
Step by Step Solution
- Step 1: Write the proportion equation
359,395,916.73 : 537,675,443.49 = 272,208,591.99 : x - Step 2: Convert to fraction form
359,395,916.73/537,675,443.49 = 272,208,591.99/x - Step 3: Cross multiply
359,395,916.73x = 537,675,443.49 × 272,208,591.99 - Step 4: Simplify right side
359,395,916.73x = 146,359,875,420,011,712 - Step 5: Solve for x
x = 146,359,875,420,011,712/359,395,916.73 - Step 6: Final answer
x = 407,238,559.50
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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.