Finding the Fourth Proportional to 896,990,565.15, 1,345,485,847.73 and 655,125,861.15
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Solution
The fourth proportional to 896,990,565.15, 1,345,485,847.73 and 655,125,861.15 is: 982,688,791.73
Step by Step Solution
- Step 1: Write the proportion equation
896,990,565.15 : 1,345,485,847.73 = 655,125,861.15 : x - Step 2: Convert to fraction form
896,990,565.15/1,345,485,847.73 = 655,125,861.15/x - Step 3: Cross multiply
896,990,565.15x = 1,345,485,847.73 × 655,125,861.15 - Step 4: Simplify right side
896,990,565.15x = 881,462,574,659,254,016 - Step 5: Solve for x
x = 881,462,574,659,254,016/896,990,565.15 - Step 6: Final answer
x = 982,688,791.73
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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.