Finding the Fourth Proportional to 331,924,903.68, 457,630,550.40 and 272,166,026.88
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Solution
The fourth proportional to 331,924,903.68, 457,630,550.40 and 272,166,026.88 is: 375,239,963.32
Step by Step Solution
- Step 1: Write the proportion equation
331,924,903.68 : 457,630,550.40 = 272,166,026.88 : x - Step 2: Convert to fraction form
331,924,903.68/457,630,550.40 = 272,166,026.88/x - Step 3: Cross multiply
331,924,903.68x = 457,630,550.40 × 272,166,026.88 - Step 4: Simplify right side
331,924,903.68x = 124,551,488,681,275,584 - Step 5: Solve for x
x = 124,551,488,681,275,584/331,924,903.68 - Step 6: Final answer
x = 375,239,963.32
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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.