Finding the Fourth Proportional to 468,865,809.32, 703,363,387.94 and 272,221,831.44
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Solution
The fourth proportional to 468,865,809.32, 703,363,387.94 and 272,221,831.44 is: 408,370,296.63
Step by Step Solution
- Step 1: Write the proportion equation
468,865,809.32 : 703,363,387.94 = 272,221,831.44 : x - Step 2: Convert to fraction form
468,865,809.32/703,363,387.94 = 272,221,831.44/x - Step 3: Cross multiply
468,865,809.32x = 703,363,387.94 × 272,221,831.44 - Step 4: Simplify right side
468,865,809.32x = 191,470,869,632,870,016 - Step 5: Solve for x
x = 191,470,869,632,870,016/468,865,809.32 - Step 6: Final answer
x = 408,370,296.63
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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.