Finding the Fourth Proportional to 415,153,844.94, 572,924,263.44 and 229,526,818.05
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Solution
The fourth proportional to 415,153,844.94, 572,924,263.44 and 229,526,818.05 is: 316,753,619.83
Step by Step Solution
- Step 1: Write the proportion equation
415,153,844.94 : 572,924,263.44 = 229,526,818.05 : x - Step 2: Convert to fraction form
415,153,844.94/572,924,263.44 = 229,526,818.05/x - Step 3: Cross multiply
415,153,844.94x = 572,924,263.44 × 229,526,818.05 - Step 4: Simplify right side
415,153,844.94x = 131,501,483,171,023,168 - Step 5: Solve for x
x = 131,501,483,171,023,168/415,153,844.94 - Step 6: Final answer
x = 316,753,619.83
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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.