Finding the Fourth Proportional to 373,999,153.64, 516,108,931.62 and 208,988,079.08
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Solution
The fourth proportional to 373,999,153.64, 516,108,931.62 and 208,988,079.08 is: 288,398,016.86
Step by Step Solution
- Step 1: Write the proportion equation
373,999,153.64 : 516,108,931.62 = 208,988,079.08 : x - Step 2: Convert to fraction form
373,999,153.64/516,108,931.62 = 208,988,079.08/x - Step 3: Cross multiply
373,999,153.64x = 516,108,931.62 × 208,988,079.08 - Step 4: Simplify right side
373,999,153.64x = 107,860,614,215,294,880 - Step 5: Solve for x
x = 107,860,614,215,294,880/373,999,153.64 - Step 6: Final answer
x = 288,398,016.86
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.