Finding the Fourth Proportional to 1,698,950,719,584.60, 2,344,552,933,702.20 and 917,683,843,527.92
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Solution
The fourth proportional to 1,698,950,719,584.60, 2,344,552,933,702.20 and 917,683,843,527.92 is: 1,266,404,212,171.95
Step by Step Solution
- Step 1: Write the proportion equation
1,698,950,719,584.60 : 2,344,552,933,702.20 = 917,683,843,527.92 : x - Step 2: Convert to fraction form
1,698,950,719,584.60/2,344,552,933,702.20 = 917,683,843,527.92/x - Step 3: Cross multiply
1,698,950,719,584.60x = 2,344,552,933,702.20 × 917,683,843,527.92 - Step 4: Simplify right side
1,698,950,719,584.60x = 2,151,558,347,554,495,722,946,560 - Step 5: Solve for x
x = 2,151,558,347,554,495,722,946,560/1,698,950,719,584.60 - Step 6: Final answer
x = 1,266,404,212,171.95
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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.