Finding the Fourth Proportional to 1,264,289,403.20, 1,896,434,104.80 and 537,183,636.80
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Solution
The fourth proportional to 1,264,289,403.20, 1,896,434,104.80 and 537,183,636.80 is: 805,775,455.20
Step by Step Solution
- Step 1: Write the proportion equation
1,264,289,403.20 : 1,896,434,104.80 = 537,183,636.80 : x - Step 2: Convert to fraction form
1,264,289,403.20/1,896,434,104.80 = 537,183,636.80/x - Step 3: Cross multiply
1,264,289,403.20x = 1,896,434,104.80 × 537,183,636.80 - Step 4: Simplify right side
1,264,289,403.20x = 1,018,733,369,368,016,256 - Step 5: Solve for x
x = 1,018,733,369,368,016,256/1,264,289,403.20 - Step 6: Final answer
x = 805,775,455.20
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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.