Finding the Fourth Proportional to 1,455,528,091.05, 2,183,292,136.58 and 1,298,316,033.45
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Solution
The fourth proportional to 1,455,528,091.05, 2,183,292,136.58 and 1,298,316,033.45 is: 1,947,474,050.18
Step by Step Solution
- Step 1: Write the proportion equation
1,455,528,091.05 : 2,183,292,136.58 = 1,298,316,033.45 : x - Step 2: Convert to fraction form
1,455,528,091.05/2,183,292,136.58 = 1,298,316,033.45/x - Step 3: Cross multiply
1,455,528,091.05x = 2,183,292,136.58 × 1,298,316,033.45 - Step 4: Simplify right side
1,455,528,091.05x = 2,834,603,186,620,629,504 - Step 5: Solve for x
x = 2,834,603,186,620,629,504/1,455,528,091.05 - Step 6: Final answer
x = 1,947,474,050.18
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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.