Finding the Fourth Proportional to 576,042,504.80, 794,938,657.64 and 311,724,497.70
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Solution
The fourth proportional to 576,042,504.80, 794,938,657.64 and 311,724,497.70 is: 430,179,807.38
Step by Step Solution
- Step 1: Write the proportion equation
576,042,504.80 : 794,938,657.64 = 311,724,497.70 : x - Step 2: Convert to fraction form
576,042,504.80/794,938,657.64 = 311,724,497.70/x - Step 3: Cross multiply
576,042,504.80x = 794,938,657.64 × 311,724,497.70 - Step 4: Simplify right side
576,042,504.80x = 247,801,853,753,582,624 - Step 5: Solve for x
x = 247,801,853,753,582,624/576,042,504.80 - Step 6: Final answer
x = 430,179,807.38
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1.5x scale
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.