Finding the Fourth Proportional to 291,385,586.48, 402,113,176.12 and 159,226,598.88
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Solution
The fourth proportional to 291,385,586.48, 402,113,176.12 and 159,226,598.88 is: 219,733,289.39
Step by Step Solution
- Step 1: Write the proportion equation
291,385,586.48 : 402,113,176.12 = 159,226,598.88 : x - Step 2: Convert to fraction form
291,385,586.48/402,113,176.12 = 159,226,598.88/x - Step 3: Cross multiply
291,385,586.48x = 402,113,176.12 × 159,226,598.88 - Step 4: Simplify right side
291,385,586.48x = 64,027,113,398,422,032 - Step 5: Solve for x
x = 64,027,113,398,422,032/291,385,586.48 - Step 6: Final answer
x = 219,733,289.39
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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.