Finding the Fourth Proportional to 2,590,866,443.76, 3,886,299,518.04 and 725,788,272.96
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Solution
The fourth proportional to 2,590,866,443.76, 3,886,299,518.04 and 725,788,272.96 is: 1,088,682,368.09
Step by Step Solution
- Step 1: Write the proportion equation
2,590,866,443.76 : 3,886,299,518.04 = 725,788,272.96 : x - Step 2: Convert to fraction form
2,590,866,443.76/3,886,299,518.04 = 725,788,272.96/x - Step 3: Cross multiply
2,590,866,443.76x = 3,886,299,518.04 × 725,788,272.96 - Step 4: Simplify right side
2,590,866,443.76x = 2,820,630,615,403,532,288 - Step 5: Solve for x
x = 2,820,630,615,403,532,288/2,590,866,443.76 - Step 6: Final answer
x = 1,088,682,368.09
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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.