Finding the Fourth Proportional to 372,638,594.58, 514,243,369.41 and 216,098,646.42
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Solution
The fourth proportional to 372,638,594.58, 514,243,369.41 and 216,098,646.42 is: 298,217,355.04
Step by Step Solution
- Step 1: Write the proportion equation
372,638,594.58 : 514,243,369.41 = 216,098,646.42 : x - Step 2: Convert to fraction form
372,638,594.58/514,243,369.41 = 216,098,646.42/x - Step 3: Cross multiply
372,638,594.58x = 514,243,369.41 × 216,098,646.42 - Step 4: Simplify right side
372,638,594.58x = 111,127,296,059,961,040 - Step 5: Solve for x
x = 111,127,296,059,961,040/372,638,594.58 - Step 6: Final answer
x = 298,217,355.04
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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.