Finding the Fourth Proportional to 1,916,718,249,028.70, 2,875,254,117,487.60 and 625,936,268,190.60
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Solution
The fourth proportional to 1,916,718,249,028.70, 2,875,254,117,487.60 and 625,936,268,190.60 is: 938,962,120,964.76
Step by Step Solution
- Step 1: Write the proportion equation
1,916,718,249,028.70 : 2,875,254,117,487.60 = 625,936,268,190.60 : x - Step 2: Convert to fraction form
1,916,718,249,028.70/2,875,254,117,487.60 = 625,936,268,190.60/x - Step 3: Cross multiply
1,916,718,249,028.70x = 2,875,254,117,487.60 × 625,936,268,190.60 - Step 4: Simplify right side
1,916,718,249,028.70x = 1,799,725,832,399,845,186,338,816 - Step 5: Solve for x
x = 1,799,725,832,399,845,186,338,816/1,916,718,249,028.70 - Step 6: Final answer
x = 938,962,120,964.76
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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.