Finding the Fourth Proportional to 908,102,098.62, 1,253,180,854.80 and 490,414,347
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Solution
The fourth proportional to 908,102,098.62, 1,253,180,854.80 and 490,414,347 is: 676,771,776.56
Step by Step Solution
- Step 1: Write the proportion equation
908,102,098.62 : 1,253,180,854.80 = 490,414,347 : x - Step 2: Convert to fraction form
908,102,098.62/1,253,180,854.80 = 490,414,347/x - Step 3: Cross multiply
908,102,098.62x = 1,253,180,854.80 × 490,414,347 - Step 4: Simplify right side
908,102,098.62x = 614,577,870,579,643,776 - Step 5: Solve for x
x = 614,577,870,579,643,776/908,102,098.62 - Step 6: Final answer
x = 676,771,776.56
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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.