Finding the Fourth Proportional to 532,855,049.98, 735,302,639.36 and 309,820,908.36
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Solution
The fourth proportional to 532,855,049.98, 735,302,639.36 and 309,820,908.36 is: 427,531,148.77
Step by Step Solution
- Step 1: Write the proportion equation
532,855,049.98 : 735,302,639.36 = 309,820,908.36 : x - Step 2: Convert to fraction form
532,855,049.98/735,302,639.36 = 309,820,908.36/x - Step 3: Cross multiply
532,855,049.98x = 735,302,639.36 × 309,820,908.36 - Step 4: Simplify right side
532,855,049.98x = 227,812,131,646,020,704 - Step 5: Solve for x
x = 227,812,131,646,020,704/532,855,049.98 - Step 6: Final answer
x = 427,531,148.77
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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.