Finding the Fourth Proportional to 1,722,119,516.01, 2,377,259,534.34 and 1,157,931,416.70
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Solution
The fourth proportional to 1,722,119,516.01, 2,377,259,534.34 and 1,157,931,416.70 is: 1,598,439,292.32
Step by Step Solution
- Step 1: Write the proportion equation
1,722,119,516.01 : 2,377,259,534.34 = 1,157,931,416.70 : x - Step 2: Convert to fraction form
1,722,119,516.01/2,377,259,534.34 = 1,157,931,416.70/x - Step 3: Cross multiply
1,722,119,516.01x = 2,377,259,534.34 × 1,157,931,416.70 - Step 4: Simplify right side
1,722,119,516.01x = 2,752,703,500,461,898,752 - Step 5: Solve for x
x = 2,752,703,500,461,898,752/1,722,119,516.01 - Step 6: Final answer
x = 1,598,439,292.32
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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.