Finding the Fourth Proportional to 539,903,772, 809,993,759.76 and 156,951,324
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Solution
The fourth proportional to 539,903,772, 809,993,759.76 and 156,951,324 is: 235,467,132.51
Step by Step Solution
- Step 1: Write the proportion equation
539,903,772 : 809,993,759.76 = 156,951,324 : x - Step 2: Convert to fraction form
539,903,772/809,993,759.76 = 156,951,324/x - Step 3: Cross multiply
539,903,772x = 809,993,759.76 × 156,951,324 - Step 4: Simplify right side
539,903,772x = 127,129,593,026,069,920 - Step 5: Solve for x
x = 127,129,593,026,069,920/539,903,772 - Step 6: Final answer
x = 235,467,132.51
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.