Finding the Fourth Proportional to 1,515,357,182.94, 2,273,098,993.29 and 480,195,154.14
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Solution
The fourth proportional to 1,515,357,182.94, 2,273,098,993.29 and 480,195,154.14 is: 720,312,764.37
Step by Step Solution
- Step 1: Write the proportion equation
1,515,357,182.94 : 2,273,098,993.29 = 480,195,154.14 : x - Step 2: Convert to fraction form
1,515,357,182.94/2,273,098,993.29 = 480,195,154.14/x - Step 3: Cross multiply
1,515,357,182.94x = 2,273,098,993.29 × 480,195,154.14 - Step 4: Simplify right side
1,515,357,182.94x = 1,091,531,121,458,370,304 - Step 5: Solve for x
x = 1,091,531,121,458,370,304/1,515,357,182.94 - Step 6: Final answer
x = 720,312,764.37
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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.