Finding the Fourth Proportional to 539,445,872.00, 808,841,140.58 and 211,528,535.42
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Solution
The fourth proportional to 539,445,872.00, 808,841,140.58 and 211,528,535.42 is: 317,164,317.56
Step by Step Solution
- Step 1: Write the proportion equation
539,445,872.00 : 808,841,140.58 = 211,528,535.42 : x - Step 2: Convert to fraction form
539,445,872.00/808,841,140.58 = 211,528,535.42/x - Step 3: Cross multiply
539,445,872.00x = 808,841,140.58 × 211,528,535.42 - Step 4: Simplify right side
539,445,872.00x = 171,092,981,849,227,872 - Step 5: Solve for x
x = 171,092,981,849,227,872/539,445,872.00 - Step 6: Final answer
x = 317,164,317.56
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.