Finding the Fourth Proportional to 1,020,548,163.60, 1,529,578,585.96 and 528,990,432.84
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Solution
The fourth proportional to 1,020,548,163.60, 1,529,578,585.96 and 528,990,432.84 is: 792,841,011.44
Step by Step Solution
- Step 1: Write the proportion equation
1,020,548,163.60 : 1,529,578,585.96 = 528,990,432.84 : x - Step 2: Convert to fraction form
1,020,548,163.60/1,529,578,585.96 = 528,990,432.84/x - Step 3: Cross multiply
1,020,548,163.60x = 1,529,578,585.96 × 528,990,432.84 - Step 4: Simplify right side
1,020,548,163.60x = 809,132,438,249,775,488 - Step 5: Solve for x
x = 809,132,438,249,775,488/1,020,548,163.60 - Step 6: Final answer
x = 792,841,011.44
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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.