Finding the Fourth Proportional to 1,822,554,368,132.40, 2,514,893,859,430.80 and 999,274,681,146.60
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Solution
The fourth proportional to 1,822,554,368,132.40, 2,514,893,859,430.80 and 999,274,681,146.60 is: 1,378,872,314,286.81
Step by Step Solution
- Step 1: Write the proportion equation
1,822,554,368,132.40 : 2,514,893,859,430.80 = 999,274,681,146.60 : x - Step 2: Convert to fraction form
1,822,554,368,132.40/2,514,893,859,430.80 = 999,274,681,146.60/x - Step 3: Cross multiply
1,822,554,368,132.40x = 2,514,893,859,430.80 × 999,274,681,146.60 - Step 4: Simplify right side
1,822,554,368,132.40x = 2,513,069,759,500,254,586,077,184 - Step 5: Solve for x
x = 2,513,069,759,500,254,586,077,184/1,822,554,368,132.40 - Step 6: Final answer
x = 1,378,872,314,286.81
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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.