Finding the Fourth Proportional to 1,451,569,659.90, 2,177,354,489.85 and 531,476,015.10
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Solution
The fourth proportional to 1,451,569,659.90, 2,177,354,489.85 and 531,476,015.10 is: 797,214,022.65
Step by Step Solution
- Step 1: Write the proportion equation
1,451,569,659.90 : 2,177,354,489.85 = 531,476,015.10 : x - Step 2: Convert to fraction form
1,451,569,659.90/2,177,354,489.85 = 531,476,015.10/x - Step 3: Cross multiply
1,451,569,659.90x = 2,177,354,489.85 × 531,476,015.10 - Step 4: Simplify right side
1,451,569,659.90x = 1,157,211,687,725,571,328 - Step 5: Solve for x
x = 1,157,211,687,725,571,328/1,451,569,659.90 - Step 6: Final answer
x = 797,214,022.65
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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.