Finding the Fourth Proportional to 685,211,500,181.06, 1,027,851,390,209.70 and 260,772,660,606.70
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Solution
The fourth proportional to 685,211,500,181.06, 1,027,851,390,209.70 and 260,772,660,606.70 is: 391,171,983,631.99
Step by Step Solution
- Step 1: Write the proportion equation
685,211,500,181.06 : 1,027,851,390,209.70 = 260,772,660,606.70 : x - Step 2: Convert to fraction form
685,211,500,181.06/1,027,851,390,209.70 = 260,772,660,606.70/x - Step 3: Cross multiply
685,211,500,181.06x = 1,027,851,390,209.70 × 260,772,660,606.70 - Step 4: Simplify right side
685,211,500,181.06x = 268,035,541,733,278,866,210,816 - Step 5: Solve for x
x = 268,035,541,733,278,866,210,816/685,211,500,181.06 - Step 6: Final answer
x = 391,171,983,631.99
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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.