Finding the Fourth Proportional to 2,054,888,805.20, 2,835,746,551.35 and 1,115,091,447.12
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Solution
The fourth proportional to 2,054,888,805.20, 2,835,746,551.35 and 1,115,091,447.12 is: 1,538,826,197.12
Step by Step Solution
- Step 1: Write the proportion equation
2,054,888,805.20 : 2,835,746,551.35 = 1,115,091,447.12 : x - Step 2: Convert to fraction form
2,054,888,805.20/2,835,746,551.35 = 1,115,091,447.12/x - Step 3: Cross multiply
2,054,888,805.20x = 2,835,746,551.35 × 1,115,091,447.12 - Step 4: Simplify right side
2,054,888,805.20x = 3,162,116,725,610,420,224 - Step 5: Solve for x
x = 3,162,116,725,610,420,224/2,054,888,805.20 - Step 6: Final answer
x = 1,538,826,197.12
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.