Finding the Fourth Proportional to 370,651,174.08, 511,488,881.64 and 203,386,921.44
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Solution
The fourth proportional to 370,651,174.08, 511,488,881.64 and 203,386,921.44 is: 280,668,607.74
Step by Step Solution
- Step 1: Write the proportion equation
370,651,174.08 : 511,488,881.64 = 203,386,921.44 : x - Step 2: Convert to fraction form
370,651,174.08/511,488,881.64 = 203,386,921.44/x - Step 3: Cross multiply
370,651,174.08x = 511,488,881.64 × 203,386,921.44 - Step 4: Simplify right side
370,651,174.08x = 104,030,148,987,548,128 - Step 5: Solve for x
x = 104,030,148,987,548,128/370,651,174.08 - Step 6: Final answer
x = 280,668,607.74
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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.