Finding the Fourth Proportional to 523,298,748.66, 722,183,982.03 and 288,349,124.82
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Solution
The fourth proportional to 523,298,748.66, 722,183,982.03 and 288,349,124.82 is: 397,939,264.54
Step by Step Solution
- Step 1: Write the proportion equation
523,298,748.66 : 722,183,982.03 = 288,349,124.82 : x - Step 2: Convert to fraction form
523,298,748.66/722,183,982.03 = 288,349,124.82/x - Step 3: Cross multiply
523,298,748.66x = 722,183,982.03 × 288,349,124.82 - Step 4: Simplify right side
523,298,748.66x = 208,241,119,177,373,088 - Step 5: Solve for x
x = 208,241,119,177,373,088/523,298,748.66 - Step 6: Final answer
x = 397,939,264.54
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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.