Finding the Fourth Proportional to 1,326,282,177,619.40, 1,830,269,390,943.20 and 717,293,489,581.08
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Solution
The fourth proportional to 1,326,282,177,619.40, 1,830,269,390,943.20 and 717,293,489,581.08 is: 989,865,007,957.48
Step by Step Solution
- Step 1: Write the proportion equation
1,326,282,177,619.40 : 1,830,269,390,943.20 = 717,293,489,581.08 : x - Step 2: Convert to fraction form
1,326,282,177,619.40/1,830,269,390,943.20 = 717,293,489,581.08/x - Step 3: Cross multiply
1,326,282,177,619.40x = 1,830,269,390,943.20 × 717,293,489,581.08 - Step 4: Simplify right side
1,326,282,177,619.40x = 1,312,840,318,303,085,864,681,472 - Step 5: Solve for x
x = 1,312,840,318,303,085,864,681,472/1,326,282,177,619.40 - Step 6: Final answer
x = 989,865,007,957.48
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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.