Finding the Fourth Proportional to 4,321,197,196.51, 5,959,950,408.45 and 3,719,375,731.47
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Solution
The fourth proportional to 4,321,197,196.51, 5,959,950,408.45 and 3,719,375,731.47 is: 5,129,896,623.99
Step by Step Solution
- Step 1: Write the proportion equation
4,321,197,196.51 : 5,959,950,408.45 = 3,719,375,731.47 : x - Step 2: Convert to fraction form
4,321,197,196.51/5,959,950,408.45 = 3,719,375,731.47/x - Step 3: Cross multiply
4,321,197,196.51x = 5,959,950,408.45 × 3,719,375,731.47 - Step 4: Simplify right side
4,321,197,196.51x = 22,167,294,909,953,642,496 - Step 5: Solve for x
x = 22,167,294,909,953,642,496/4,321,197,196.51 - Step 6: Final answer
x = 5,129,896,623.99
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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.