Finding the Fourth Proportional to 514,881,497.80, 772,322,246.70 and 514,881,497.80
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Solution
The fourth proportional to 514,881,497.80, 772,322,246.70 and 514,881,497.80 is: 772,322,246.70
Step by Step Solution
- Step 1: Write the proportion equation
514,881,497.80 : 772,322,246.70 = 514,881,497.80 : x - Step 2: Convert to fraction form
514,881,497.80/772,322,246.70 = 514,881,497.80/x - Step 3: Cross multiply
514,881,497.80x = 772,322,246.70 × 514,881,497.80 - Step 4: Simplify right side
514,881,497.80x = 397,654,435,165,157,120 - Step 5: Solve for x
x = 397,654,435,165,157,120/514,881,497.80 - Step 6: Final answer
x = 772,322,246.70
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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.