Finding the Fourth Proportional to 2,153,092,812.75, 2,971,269,277.16 and 1,163,018,239.47
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Solution
The fourth proportional to 2,153,092,812.75, 2,971,269,277.16 and 1,163,018,239.47 is: 1,604,965,816.26
Step by Step Solution
- Step 1: Write the proportion equation
2,153,092,812.75 : 2,971,269,277.16 = 1,163,018,239.47 : x - Step 2: Convert to fraction form
2,153,092,812.75/2,971,269,277.16 = 1,163,018,239.47/x - Step 3: Cross multiply
2,153,092,812.75x = 2,971,269,277.16 × 1,163,018,239.47 - Step 4: Simplify right side
2,153,092,812.75x = 3,455,640,363,708,107,776 - Step 5: Solve for x
x = 3,455,640,363,708,107,776/2,153,092,812.75 - Step 6: Final answer
x = 1,604,965,816.26
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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.