Finding the Fourth Proportional to 361,118,257.74, 498,495,747.42 and 243,802,492.95
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Solution
The fourth proportional to 361,118,257.74, 498,495,747.42 and 243,802,492.95 is: 336,550,432.83
Step by Step Solution
- Step 1: Write the proportion equation
361,118,257.74 : 498,495,747.42 = 243,802,492.95 : x - Step 2: Convert to fraction form
361,118,257.74/498,495,747.42 = 243,802,492.95/x - Step 3: Cross multiply
361,118,257.74x = 498,495,747.42 × 243,802,492.95 - Step 4: Simplify right side
361,118,257.74x = 121,534,505,945,969,536 - Step 5: Solve for x
x = 121,534,505,945,969,536/361,118,257.74 - Step 6: Final answer
x = 336,550,432.83
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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.