Finding the Fourth Proportional to 279,547,417, 385,757,779.26 and 154,092,698.92
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Solution
The fourth proportional to 279,547,417, 385,757,779.26 and 154,092,698.92 is: 212,638,192.02
Step by Step Solution
- Step 1: Write the proportion equation
279,547,417 : 385,757,779.26 = 154,092,698.92 : x - Step 2: Convert to fraction form
279,547,417/385,757,779.26 = 154,092,698.92/x - Step 3: Cross multiply
279,547,417x = 385,757,779.26 × 154,092,698.92 - Step 4: Simplify right side
279,547,417x = 59,442,457,335,558,992 - Step 5: Solve for x
x = 59,442,457,335,558,992/279,547,417 - Step 6: Final answer
x = 212,638,192.02
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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.