Finding the Fourth Proportional to 1,344,293,479,971.20, 1,855,130,591,639.50 and 726,996,198,021.99
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Solution
The fourth proportional to 1,344,293,479,971.20, 1,855,130,591,639.50 and 726,996,198,021.99 is: 1,003,257,775,962.06
Step by Step Solution
- Step 1: Write the proportion equation
1,344,293,479,971.20 : 1,855,130,591,639.50 = 726,996,198,021.99 : x - Step 2: Convert to fraction form
1,344,293,479,971.20/1,855,130,591,639.50 = 726,996,198,021.99/x - Step 3: Cross multiply
1,344,293,479,971.20x = 1,855,130,591,639.50 × 726,996,198,021.99 - Step 4: Simplify right side
1,344,293,479,971.20x = 1,348,672,886,956,201,454,075,904 - Step 5: Solve for x
x = 1,348,672,886,956,201,454,075,904/1,344,293,479,971.20 - Step 6: Final answer
x = 1,003,257,775,962.06
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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.