Finding the Fourth Proportional to 354,157,827.95, 488,738,454.74 and 197,535,030.17
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Solution
The fourth proportional to 354,157,827.95, 488,738,454.74 and 197,535,030.17 is: 272,598,705.38
Step by Step Solution
- Step 1: Write the proportion equation
354,157,827.95 : 488,738,454.74 = 197,535,030.17 : x - Step 2: Convert to fraction form
354,157,827.95/488,738,454.74 = 197,535,030.17/x - Step 3: Cross multiply
354,157,827.95x = 488,738,454.74 × 197,535,030.17 - Step 4: Simplify right side
354,157,827.95x = 96,542,965,398,873,712 - Step 5: Solve for x
x = 96,542,965,398,873,712/354,157,827.95 - Step 6: Final answer
x = 272,598,705.38
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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.