Finding the Fourth Proportional to 1,914,736,434.88, 2,872,190,677.97 and 586,667,176.51
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Solution
The fourth proportional to 1,914,736,434.88, 2,872,190,677.97 and 586,667,176.51 is: 880,027,122.66
Step by Step Solution
- Step 1: Write the proportion equation
1,914,736,434.88 : 2,872,190,677.97 = 586,667,176.51 : x - Step 2: Convert to fraction form
1,914,736,434.88/2,872,190,677.97 = 586,667,176.51/x - Step 3: Cross multiply
1,914,736,434.88x = 2,872,190,677.97 × 586,667,176.51 - Step 4: Simplify right side
1,914,736,434.88x = 1,685,019,995,443,002,368 - Step 5: Solve for x
x = 1,685,019,995,443,002,368/1,914,736,434.88 - Step 6: Final answer
x = 880,027,122.66
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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.