Finding the Fourth Proportional to 3,837,171,470.84, 5,756,306,258.08 and 1,181,452,252.12
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Solution
The fourth proportional to 3,837,171,470.84, 5,756,306,258.08 and 1,181,452,252.12 is: 1,772,347,429.40
Step by Step Solution
- Step 1: Write the proportion equation
3,837,171,470.84 : 5,756,306,258.08 = 1,181,452,252.12 : x - Step 2: Convert to fraction form
3,837,171,470.84/5,756,306,258.08 = 1,181,452,252.12/x - Step 3: Cross multiply
3,837,171,470.84x = 5,756,306,258.08 × 1,181,452,252.12 - Step 4: Simplify right side
3,837,171,470.84x = 6,800,800,992,523,635,712 - Step 5: Solve for x
x = 6,800,800,992,523,635,712/3,837,171,470.84 - Step 6: Final answer
x = 1,772,347,429.40
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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.