Finding the Fourth Proportional to 468,865,810.82, 703,363,390.19 and 272,221,832.94
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Solution
The fourth proportional to 468,865,810.82, 703,363,390.19 and 272,221,832.94 is: 408,370,298.88
Step by Step Solution
- Step 1: Write the proportion equation
468,865,810.82 : 703,363,390.19 = 272,221,832.94 : x - Step 2: Convert to fraction form
468,865,810.82/703,363,390.19 = 272,221,832.94/x - Step 3: Cross multiply
468,865,810.82x = 703,363,390.19 × 272,221,832.94 - Step 4: Simplify right side
468,865,810.82x = 191,470,871,300,414,240 - Step 5: Solve for x
x = 191,470,871,300,414,240/468,865,810.82 - Step 6: Final answer
x = 408,370,298.88
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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.