Finding the Fourth Proportional to 815,497,963.44, 1,125,350,886.60 and 476,437,866
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Solution
The fourth proportional to 815,497,963.44, 1,125,350,886.60 and 476,437,866 is: 657,463,045.83
Step by Step Solution
- Step 1: Write the proportion equation
815,497,963.44 : 1,125,350,886.60 = 476,437,866 : x - Step 2: Convert to fraction form
815,497,963.44/1,125,350,886.60 = 476,437,866/x - Step 3: Cross multiply
815,497,963.44x = 1,125,350,886.60 × 476,437,866 - Step 4: Simplify right side
815,497,963.44x = 536,159,774,912,911,936 - Step 5: Solve for x
x = 536,159,774,912,911,936/815,497,963.44 - Step 6: Final answer
x = 657,463,045.83
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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.