Finding the Fourth Proportional to 539,283,245.67, 744,724,862.51 and 509,903,438.31
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Solution
The fourth proportional to 539,283,245.67, 744,724,862.51 and 509,903,438.31 is: 704,152,726.86
Step by Step Solution
- Step 1: Write the proportion equation
539,283,245.67 : 744,724,862.51 = 509,903,438.31 : x - Step 2: Convert to fraction form
539,283,245.67/744,724,862.51 = 509,903,438.31/x - Step 3: Cross multiply
539,283,245.67x = 744,724,862.51 × 509,903,438.31 - Step 4: Simplify right side
539,283,245.67x = 379,737,767,986,241,472 - Step 5: Solve for x
x = 379,737,767,986,241,472/539,283,245.67 - Step 6: Final answer
x = 704,152,726.86
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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.