Finding the Fourth Proportional to 22,930,973,239.42, 31,628,442,136.62 and 15,306,174,790.48
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Solution
The fourth proportional to 22,930,973,239.42, 31,628,442,136.62 and 15,306,174,790.48 is: 21,111,640,515.17
Step by Step Solution
- Step 1: Write the proportion equation
22,930,973,239.42 : 31,628,442,136.62 = 15,306,174,790.48 : x - Step 2: Convert to fraction form
22,930,973,239.42/31,628,442,136.62 = 15,306,174,790.48/x - Step 3: Cross multiply
22,930,973,239.42x = 31,628,442,136.62 × 15,306,174,790.48 - Step 4: Simplify right side
22,930,973,239.42x = 484,110,463,693,688,406,016 - Step 5: Solve for x
x = 484,110,463,693,688,406,016/22,930,973,239.42 - Step 6: Final answer
x = 21,111,640,515.17
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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.