Finding the Fourth Proportional to 651,917,246.08, 977,881,922.19 and 185,578,653.71
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Solution
The fourth proportional to 651,917,246.08, 977,881,922.19 and 185,578,653.71 is: 278,369,703.67
Step by Step Solution
- Step 1: Write the proportion equation
651,917,246.08 : 977,881,922.19 = 185,578,653.71 : x - Step 2: Convert to fraction form
651,917,246.08/977,881,922.19 = 185,578,653.71/x - Step 3: Cross multiply
651,917,246.08x = 977,881,922.19 × 185,578,653.71 - Step 4: Simplify right side
651,917,246.08x = 181,474,010,607,367,200 - Step 5: Solve for x
x = 181,474,010,607,367,200/651,917,246.08 - Step 6: Final answer
x = 278,369,703.67
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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.