Finding the Fourth Proportional to 1,601,188,449.60, 2,403,331,977.09 and 772,725,297.06
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Solution
The fourth proportional to 1,601,188,449.60, 2,403,331,977.09 and 772,725,297.06 is: 1,159,835,631.09
Step by Step Solution
- Step 1: Write the proportion equation
1,601,188,449.60 : 2,403,331,977.09 = 772,725,297.06 : x - Step 2: Convert to fraction form
1,601,188,449.60/2,403,331,977.09 = 772,725,297.06/x - Step 3: Cross multiply
1,601,188,449.60x = 2,403,331,977.09 × 772,725,297.06 - Step 4: Simplify right side
1,601,188,449.60x = 1,857,115,415,930,667,264 - Step 5: Solve for x
x = 1,857,115,415,930,667,264/1,601,188,449.60 - Step 6: Final answer
x = 1,159,835,631.09
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1.5x scale
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.