Finding the Fourth Proportional to 663,832,483.96, 916,064,831.62 and 366,468,353.75
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Solution
The fourth proportional to 663,832,483.96, 916,064,831.62 and 366,468,353.75 is: 505,713,081.05
Step by Step Solution
- Step 1: Write the proportion equation
663,832,483.96 : 916,064,831.62 = 366,468,353.75 : x - Step 2: Convert to fraction form
663,832,483.96/916,064,831.62 = 366,468,353.75/x - Step 3: Cross multiply
663,832,483.96x = 916,064,831.62 × 366,468,353.75 - Step 4: Simplify right side
663,832,483.96x = 335,708,770,767,472,000 - Step 5: Solve for x
x = 335,708,770,767,472,000/663,832,483.96 - Step 6: Final answer
x = 505,713,081.05
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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.