Finding the Fourth Proportional to 478,247,841.84, 714,751,472.22 and 349,127,361.84
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Solution
The fourth proportional to 478,247,841.84, 714,751,472.22 and 349,127,361.84 is: 521,778,195.40
Step by Step Solution
- Step 1: Write the proportion equation
478,247,841.84 : 714,751,472.22 = 349,127,361.84 : x - Step 2: Convert to fraction form
478,247,841.84/714,751,472.22 = 349,127,361.84/x - Step 3: Cross multiply
478,247,841.84x = 714,751,472.22 × 349,127,361.84 - Step 4: Simplify right side
478,247,841.84x = 249,539,295,867,424,640 - Step 5: Solve for x
x = 249,539,295,867,424,640/478,247,841.84 - Step 6: Final answer
x = 521,778,195.40
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.