Finding the Fourth Proportional to 777,252,548.81, 1,072,605,913.29 and 424,828,335.39
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Solution
The fourth proportional to 777,252,548.81, 1,072,605,913.29 and 424,828,335.39 is: 586,261,679.52
Step by Step Solution
- Step 1: Write the proportion equation
777,252,548.81 : 1,072,605,913.29 = 424,828,335.39 : x - Step 2: Convert to fraction form
777,252,548.81/1,072,605,913.29 = 424,828,335.39/x - Step 3: Cross multiply
777,252,548.81x = 1,072,605,913.29 × 424,828,335.39 - Step 4: Simplify right side
777,252,548.81x = 455,673,384,672,461,376 - Step 5: Solve for x
x = 455,673,384,672,461,376/777,252,548.81 - Step 6: Final answer
x = 586,261,679.52
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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.