Finding the Fourth Proportional to 880,181,856.30, 1,318,761,130.05 and 465,043,766.70
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Solution
The fourth proportional to 880,181,856.30, 1,318,761,130.05 and 465,043,766.70 is: 696,766,967.99
Step by Step Solution
- Step 1: Write the proportion equation
880,181,856.30 : 1,318,761,130.05 = 465,043,766.70 : x - Step 2: Convert to fraction form
880,181,856.30/1,318,761,130.05 = 465,043,766.70/x - Step 3: Cross multiply
880,181,856.30x = 1,318,761,130.05 × 465,043,766.70 - Step 4: Simplify right side
880,181,856.30x = 613,281,643,296,000,512 - Step 5: Solve for x
x = 613,281,643,296,000,512/880,181,856.30 - Step 6: Final answer
x = 696,766,967.99
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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.