Finding the Fourth Proportional to 971,654,229,696.70, 1,340,237,187,955.90 and 624,862,942,486.44
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Solution
The fourth proportional to 971,654,229,696.70, 1,340,237,187,955.90 and 624,862,942,486.44 is: 861,895,648,987.49
Step by Step Solution
- Step 1: Write the proportion equation
971,654,229,696.70 : 1,340,237,187,955.90 = 624,862,942,486.44 : x - Step 2: Convert to fraction form
971,654,229,696.70/1,340,237,187,955.90 = 624,862,942,486.44/x - Step 3: Cross multiply
971,654,229,696.70x = 1,340,237,187,955.90 × 624,862,942,486.44 - Step 4: Simplify right side
971,654,229,696.70x = 837,464,552,895,875,511,222,272 - Step 5: Solve for x
x = 837,464,552,895,875,511,222,272/971,654,229,696.70 - Step 6: Final answer
x = 861,895,648,987.49
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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.