Finding the Fourth Proportional to 896,985,802.40, 1,345,478,703.60 and 655,121,098.40
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Solution
The fourth proportional to 896,985,802.40, 1,345,478,703.60 and 655,121,098.40 is: 982,681,647.60
Step by Step Solution
- Step 1: Write the proportion equation
896,985,802.40 : 1,345,478,703.60 = 655,121,098.40 : x - Step 2: Convert to fraction form
896,985,802.40/1,345,478,703.60 = 655,121,098.40/x - Step 3: Cross multiply
896,985,802.40x = 1,345,478,703.60 × 655,121,098.40 - Step 4: Simplify right side
896,985,802.40x = 881,451,486,176,240,000 - Step 5: Solve for x
x = 881,451,486,176,240,000/896,985,802.40 - Step 6: Final answer
x = 982,681,647.60
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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.