Finding the Fourth Proportional to 896,990,805.65, 1,345,486,208.48 and 655,126,101.65
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Solution
The fourth proportional to 896,990,805.65, 1,345,486,208.48 and 655,126,101.65 is: 982,689,152.48
Step by Step Solution
- Step 1: Write the proportion equation
896,990,805.65 : 1,345,486,208.48 = 655,126,101.65 : x - Step 2: Convert to fraction form
896,990,805.65/1,345,486,208.48 = 655,126,101.65/x - Step 3: Cross multiply
896,990,805.65x = 1,345,486,208.48 × 655,126,101.65 - Step 4: Simplify right side
896,990,805.65x = 881,463,134,582,065,792 - Step 5: Solve for x
x = 881,463,134,582,065,792/896,990,805.65 - Step 6: Final answer
x = 982,689,152.48
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Double scale
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Similar ratio
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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.