Finding the Fourth Proportional to 707,278,134.64, 968,974,501.38 and 680,769,509.84
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Solution
The fourth proportional to 707,278,134.64, 968,974,501.38 and 680,769,509.84 is: 932,657,555.84
Step by Step Solution
- Step 1: Write the proportion equation
707,278,134.64 : 968,974,501.38 = 680,769,509.84 : x - Step 2: Convert to fraction form
707,278,134.64/968,974,501.38 = 680,769,509.84/x - Step 3: Cross multiply
707,278,134.64x = 968,974,501.38 × 680,769,509.84 - Step 4: Simplify right side
707,278,134.64x = 659,648,296,351,921,024 - Step 5: Solve for x
x = 659,648,296,351,921,024/707,278,134.64 - Step 6: Final answer
x = 932,657,555.84
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.