Finding the Fourth Proportional to 651,690,242.06, 899,326,211.37 and 354,332,480.18
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Solution
The fourth proportional to 651,690,242.06, 899,326,211.37 and 354,332,480.18 is: 488,975,384.93
Step by Step Solution
- Step 1: Write the proportion equation
651,690,242.06 : 899,326,211.37 = 354,332,480.18 : x - Step 2: Convert to fraction form
651,690,242.06/899,326,211.37 = 354,332,480.18/x - Step 3: Cross multiply
651,690,242.06x = 899,326,211.37 × 354,332,480.18 - Step 4: Simplify right side
651,690,242.06x = 318,660,486,965,615,040 - Step 5: Solve for x
x = 318,660,486,965,615,040/651,690,242.06 - Step 6: Final answer
x = 488,975,384.93
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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.