Finding the Fourth Proportional to 1,889,523,471.24, 2,835,549,414.99 and 784,128,290.76
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Solution
The fourth proportional to 1,889,523,471.24, 2,835,549,414.99 and 784,128,290.76 is: 1,176,717,066.49
Step by Step Solution
- Step 1: Write the proportion equation
1,889,523,471.24 : 2,835,549,414.99 = 784,128,290.76 : x - Step 2: Convert to fraction form
1,889,523,471.24/2,835,549,414.99 = 784,128,290.76/x - Step 3: Cross multiply
1,889,523,471.24x = 2,835,549,414.99 × 784,128,290.76 - Step 4: Simplify right side
1,889,523,471.24x = 2,223,434,516,141,626,368 - Step 5: Solve for x
x = 2,223,434,516,141,626,368/1,889,523,471.24 - Step 6: Final answer
x = 1,176,717,066.49
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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.