Finding the Fourth Proportional to 438,565,815.18, 657,842,523.63 and 106,575,265.26
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Solution
The fourth proportional to 438,565,815.18, 657,842,523.63 and 106,575,265.26 is: 159,861,391.45
Step by Step Solution
- Step 1: Write the proportion equation
438,565,815.18 : 657,842,523.63 = 106,575,265.26 : x - Step 2: Convert to fraction form
438,565,815.18/657,842,523.63 = 106,575,265.26/x - Step 3: Cross multiply
438,565,815.18x = 657,842,523.63 × 106,575,265.26 - Step 4: Simplify right side
438,565,815.18x = 70,109,741,455,175,072 - Step 5: Solve for x
x = 70,109,741,455,175,072/438,565,815.18 - Step 6: Final answer
x = 159,861,391.45
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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.