Finding the Fourth Proportional to 368,365,636.99, 508,346,202.69 and 203,354,562.43
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Solution
The fourth proportional to 368,365,636.99, 508,346,202.69 and 203,354,562.43 is: 280,630,192.48
Step by Step Solution
- Step 1: Write the proportion equation
368,365,636.99 : 508,346,202.69 = 203,354,562.43 : x - Step 2: Convert to fraction form
368,365,636.99/508,346,202.69 = 203,354,562.43/x - Step 3: Cross multiply
368,365,636.99x = 508,346,202.69 × 203,354,562.43 - Step 4: Simplify right side
368,365,636.99x = 103,374,519,610,977,040 - Step 5: Solve for x
x = 103,374,519,610,977,040/368,365,636.99 - Step 6: Final answer
x = 280,630,192.48
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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.