Finding the Fourth Proportional to 1,571,278,702.10, 2,357,100,403.99 and 522,110,537.10
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Solution
The fourth proportional to 1,571,278,702.10, 2,357,100,403.99 and 522,110,537.10 is: 783,226,397.89
Step by Step Solution
- Step 1: Write the proportion equation
1,571,278,702.10 : 2,357,100,403.99 = 522,110,537.10 : x - Step 2: Convert to fraction form
1,571,278,702.10/2,357,100,403.99 = 522,110,537.10/x - Step 3: Cross multiply
1,571,278,702.10x = 2,357,100,403.99 × 522,110,537.10 - Step 4: Simplify right side
1,571,278,702.10x = 1,230,666,957,924,592,896 - Step 5: Solve for x
x = 1,230,666,957,924,592,896/1,571,278,702.10 - Step 6: Final answer
x = 783,226,397.89
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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.