Finding the Fourth Proportional to 1,916,718,248,998.20, 2,875,254,117,441.80 and 625,936,268,160.06
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Solution
The fourth proportional to 1,916,718,248,998.20, 2,875,254,117,441.80 and 625,936,268,160.06 is: 938,962,120,918.93
Step by Step Solution
- Step 1: Write the proportion equation
1,916,718,248,998.20 : 2,875,254,117,441.80 = 625,936,268,160.06 : x - Step 2: Convert to fraction form
1,916,718,248,998.20/2,875,254,117,441.80 = 625,936,268,160.06/x - Step 3: Cross multiply
1,916,718,248,998.20x = 2,875,254,117,441.80 × 625,936,268,160.06 - Step 4: Simplify right side
1,916,718,248,998.20x = 1,799,725,832,283,367,283,884,032 - Step 5: Solve for x
x = 1,799,725,832,283,367,283,884,032/1,916,718,248,998.20 - Step 6: Final answer
x = 938,962,120,918.93
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.