Finding the Fourth Proportional to 906,017,351.70, 1,250,157,811.44 and 509,516,694.99
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Solution
The fourth proportional to 906,017,351.70, 1,250,157,811.44 and 509,516,694.99 is: 703,050,857.81
Step by Step Solution
- Step 1: Write the proportion equation
906,017,351.70 : 1,250,157,811.44 = 509,516,694.99 : x - Step 2: Convert to fraction form
906,017,351.70/1,250,157,811.44 = 509,516,694.99/x - Step 3: Cross multiply
906,017,351.70x = 1,250,157,811.44 × 509,516,694.99 - Step 4: Simplify right side
906,017,351.70x = 636,976,276,300,840,448 - Step 5: Solve for x
x = 636,976,276,300,840,448/906,017,351.70 - Step 6: Final answer
x = 703,050,857.81
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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.