Finding the Fourth Proportional to 438,548,565.42, 657,823,969.58 and 111,024,113.57
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Solution
The fourth proportional to 438,548,565.42, 657,823,969.58 and 111,024,113.57 is: 166,536,454.26
Step by Step Solution
- Step 1: Write the proportion equation
438,548,565.42 : 657,823,969.58 = 111,024,113.57 : x - Step 2: Convert to fraction form
438,548,565.42/657,823,969.58 = 111,024,113.57/x - Step 3: Cross multiply
438,548,565.42x = 657,823,969.58 × 111,024,113.57 - Step 4: Simplify right side
438,548,565.42x = 73,034,323,106,340,752 - Step 5: Solve for x
x = 73,034,323,106,340,752/438,548,565.42 - Step 6: Final answer
x = 166,536,454.26
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.