Finding the Fourth Proportional to 7,430,870,108.10, 10,254,602,439.41 and 4,089,368,390.48
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Solution
The fourth proportional to 7,430,870,108.10, 10,254,602,439.41 and 4,089,368,390.48 is: 5,643,329,309.02
Step by Step Solution
- Step 1: Write the proportion equation
7,430,870,108.10 : 10,254,602,439.41 = 4,089,368,390.48 : x - Step 2: Convert to fraction form
7,430,870,108.10/10,254,602,439.41 = 4,089,368,390.48/x - Step 3: Cross multiply
7,430,870,108.10x = 10,254,602,439.41 × 4,089,368,390.48 - Step 4: Simplify right side
7,430,870,108.10x = 41,934,847,072,590,635,008 - Step 5: Solve for x
x = 41,934,847,072,590,635,008/7,430,870,108.10 - Step 6: Final answer
x = 5,643,329,309.02
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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.