Finding the Fourth Proportional to 2,588,908,591.08, 3,886,126,340.96 and 1,115,775,406.44
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Solution
The fourth proportional to 2,588,908,591.08, 3,886,126,340.96 and 1,115,775,406.44 is: 1,674,854,111.30
Step by Step Solution
- Step 1: Write the proportion equation
2,588,908,591.08 : 3,886,126,340.96 = 1,115,775,406.44 : x - Step 2: Convert to fraction form
2,588,908,591.08/3,886,126,340.96 = 1,115,775,406.44/x - Step 3: Cross multiply
2,588,908,591.08x = 3,886,126,340.96 × 1,115,775,406.44 - Step 4: Simplify right side
2,588,908,591.08x = 4,336,044,197,561,834,496 - Step 5: Solve for x
x = 4,336,044,197,561,834,496/2,588,908,591.08 - Step 6: Final answer
x = 1,674,854,111.30
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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.