Finding the Fourth Proportional to 9,709,297,511.49, 13,398,865,877.13 and 5,253,961,887.99
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Solution
The fourth proportional to 9,709,297,511.49, 13,398,865,877.13 and 5,253,961,887.99 is: 7,250,486,513.31
Step by Step Solution
- Step 1: Write the proportion equation
9,709,297,511.49 : 13,398,865,877.13 = 5,253,961,887.99 : x - Step 2: Convert to fraction form
9,709,297,511.49/13,398,865,877.13 = 5,253,961,887.99/x - Step 3: Cross multiply
9,709,297,511.49x = 13,398,865,877.13 × 5,253,961,887.99 - Step 4: Simplify right side
9,709,297,511.49x = 70,397,130,660,730,716,160 - Step 5: Solve for x
x = 70,397,130,660,730,716,160/9,709,297,511.49 - Step 6: Final answer
x = 7,250,486,513.31
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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.