Finding the Fourth Proportional to 398,625,895.68, 597,970,146.24 and 107,488,635.36
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Solution
The fourth proportional to 398,625,895.68, 597,970,146.24 and 107,488,635.36 is: 161,241,393.75
Step by Step Solution
- Step 1: Write the proportion equation
398,625,895.68 : 597,970,146.24 = 107,488,635.36 : x - Step 2: Convert to fraction form
398,625,895.68/597,970,146.24 = 107,488,635.36/x - Step 3: Cross multiply
398,625,895.68x = 597,970,146.24 × 107,488,635.36 - Step 4: Simplify right side
398,625,895.68x = 64,274,995,005,357,232 - Step 5: Solve for x
x = 64,274,995,005,357,232/398,625,895.68 - Step 6: Final answer
x = 161,241,393.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.