Finding the Fourth Proportional to 758,451,703.68, 1,137,677,555.52 and 213,193,237.68
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Solution
The fourth proportional to 758,451,703.68, 1,137,677,555.52 and 213,193,237.68 is: 319,789,856.52
Step by Step Solution
- Step 1: Write the proportion equation
758,451,703.68 : 1,137,677,555.52 = 213,193,237.68 : x - Step 2: Convert to fraction form
758,451,703.68/1,137,677,555.52 = 213,193,237.68/x - Step 3: Cross multiply
758,451,703.68x = 1,137,677,555.52 × 213,193,237.68 - Step 4: Simplify right side
758,451,703.68x = 242,545,161,497,176,768 - Step 5: Solve for x
x = 242,545,161,497,176,768/758,451,703.68 - Step 6: Final answer
x = 319,789,856.52
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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.