Finding the Fourth Proportional to 1,180,136,552.80, 1,770,204,829.20 and 499,243,727.20
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Solution
The fourth proportional to 1,180,136,552.80, 1,770,204,829.20 and 499,243,727.20 is: 748,865,590.80
Step by Step Solution
- Step 1: Write the proportion equation
1,180,136,552.80 : 1,770,204,829.20 = 499,243,727.20 : x - Step 2: Convert to fraction form
1,180,136,552.80/1,770,204,829.20 = 499,243,727.20/x - Step 3: Cross multiply
1,180,136,552.80x = 1,770,204,829.20 × 499,243,727.20 - Step 4: Simplify right side
1,180,136,552.80x = 883,763,656,837,247,360 - Step 5: Solve for x
x = 883,763,656,837,247,360/1,180,136,552.80 - Step 6: Final answer
x = 748,865,590.80
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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.