Finding the Fourth Proportional to 7,430,869,189.11, 10,254,601,154.85 and 4,089,367,471.49
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Solution
The fourth proportional to 7,430,869,189.11, 10,254,601,154.85 and 4,089,367,471.49 is: 5,643,328,031.83
Step by Step Solution
- Step 1: Write the proportion equation
7,430,869,189.11 : 10,254,601,154.85 = 4,089,367,471.49 : x - Step 2: Convert to fraction form
7,430,869,189.11/10,254,601,154.85 = 4,089,367,471.49/x - Step 3: Cross multiply
7,430,869,189.11x = 10,254,601,154.85 × 4,089,367,471.49 - Step 4: Simplify right side
7,430,869,189.11x = 41,934,832,395,747,377,152 - Step 5: Solve for x
x = 41,934,832,395,747,377,152/7,430,869,189.11 - Step 6: Final answer
x = 5,643,328,031.83
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.