Finding the Fourth Proportional to 311,176,983.30, 466,765,474.95 and 293,320,565.70
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Solution
The fourth proportional to 311,176,983.30, 466,765,474.95 and 293,320,565.70 is: 439,980,848.55
Step by Step Solution
- Step 1: Write the proportion equation
311,176,983.30 : 466,765,474.95 = 293,320,565.70 : x - Step 2: Convert to fraction form
311,176,983.30/466,765,474.95 = 293,320,565.70/x - Step 3: Cross multiply
311,176,983.30x = 466,765,474.95 × 293,320,565.70 - Step 4: Simplify right side
311,176,983.30x = 136,911,913,161,563,168 - Step 5: Solve for x
x = 136,911,913,161,563,168/311,176,983.30 - Step 6: Final answer
x = 439,980,848.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.