Finding the Fourth Proportional to 651,917,246.58, 977,881,922.94 and 185,578,654.21
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Solution
The fourth proportional to 651,917,246.58, 977,881,922.94 and 185,578,654.21 is: 278,369,704.42
Step by Step Solution
- Step 1: Write the proportion equation
651,917,246.58 : 977,881,922.94 = 185,578,654.21 : x - Step 2: Convert to fraction form
651,917,246.58/977,881,922.94 = 185,578,654.21/x - Step 3: Cross multiply
651,917,246.58x = 977,881,922.94 × 185,578,654.21 - Step 4: Simplify right side
651,917,246.58x = 181,474,011,235,492,160 - Step 5: Solve for x
x = 181,474,011,235,492,160/651,917,246.58 - Step 6: Final answer
x = 278,369,704.42
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1.5x scale
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.