Finding the Fourth Proportional to 361,118,283.59, 498,495,783.12 and 243,802,518.81
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Solution
The fourth proportional to 361,118,283.59, 498,495,783.12 and 243,802,518.81 is: 336,550,468.55
Step by Step Solution
- Step 1: Write the proportion equation
361,118,283.59 : 498,495,783.12 = 243,802,518.81 : x - Step 2: Convert to fraction form
361,118,283.59/498,495,783.12 = 243,802,518.81/x - Step 3: Cross multiply
361,118,283.59x = 498,495,783.12 × 243,802,518.81 - Step 4: Simplify right side
361,118,283.59x = 121,534,527,540,819,488 - Step 5: Solve for x
x = 121,534,527,540,819,488/361,118,283.59 - Step 6: Final answer
x = 336,550,468.55
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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.