Finding the Fourth Proportional to 514,475,980.99, 771,323,460.73 and 265,212,634.12
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Solution
The fourth proportional to 514,475,980.99, 771,323,460.73 and 265,212,634.12 is: 397,617,642.68
Step by Step Solution
- Step 1: Write the proportion equation
514,475,980.99 : 771,323,460.73 = 265,212,634.12 : x - Step 2: Convert to fraction form
514,475,980.99/771,323,460.73 = 265,212,634.12/x - Step 3: Cross multiply
514,475,980.99x = 771,323,460.73 × 265,212,634.12 - Step 4: Simplify right side
514,475,980.99x = 204,564,726,776,166,336 - Step 5: Solve for x
x = 204,564,726,776,166,336/514,475,980.99 - Step 6: Final answer
x = 397,617,642.68
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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.