Finding the Fourth Proportional to 2,579,363,819.52, 3,866,754,969.60 and 1,005,106,636.80
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Solution
The fourth proportional to 2,579,363,819.52, 3,866,754,969.60 and 1,005,106,636.80 is: 1,506,767,309.60
Step by Step Solution
- Step 1: Write the proportion equation
2,579,363,819.52 : 3,866,754,969.60 = 1,005,106,636.80 : x - Step 2: Convert to fraction form
2,579,363,819.52/3,866,754,969.60 = 1,005,106,636.80/x - Step 3: Cross multiply
2,579,363,819.52x = 3,866,754,969.60 × 1,005,106,636.80 - Step 4: Simplify right side
2,579,363,819.52x = 3,886,501,082,824,342,016 - Step 5: Solve for x
x = 3,886,501,082,824,342,016/2,579,363,819.52 - Step 6: Final answer
x = 1,506,767,309.60
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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.