Finding the Fourth Proportional to 488,698,764.96, 674,386,943.52 and 268,680,588.96
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Solution
The fourth proportional to 488,698,764.96, 674,386,943.52 and 268,680,588.96 is: 370,769,672.78
Step by Step Solution
- Step 1: Write the proportion equation
488,698,764.96 : 674,386,943.52 = 268,680,588.96 : x - Step 2: Convert to fraction form
488,698,764.96/674,386,943.52 = 268,680,588.96/x - Step 3: Cross multiply
488,698,764.96x = 674,386,943.52 × 268,680,588.96 - Step 4: Simplify right side
488,698,764.96x = 181,194,681,171,887,840 - Step 5: Solve for x
x = 181,194,681,171,887,840/488,698,764.96 - Step 6: Final answer
x = 370,769,672.78
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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.