Finding the Fourth Proportional to 542,779,891.08, 749,035,682.82 and 295,260,654.84
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Solution
The fourth proportional to 542,779,891.08, 749,035,682.82 and 295,260,654.84 is: 407,459,395.31
Step by Step Solution
- Step 1: Write the proportion equation
542,779,891.08 : 749,035,682.82 = 295,260,654.84 : x - Step 2: Convert to fraction form
542,779,891.08/749,035,682.82 = 295,260,654.84/x - Step 3: Cross multiply
542,779,891.08x = 749,035,682.82 × 295,260,654.84 - Step 4: Simplify right side
542,779,891.08x = 221,160,766,207,959,744 - Step 5: Solve for x
x = 221,160,766,207,959,744/542,779,891.08 - Step 6: Final answer
x = 407,459,395.31
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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.