Finding the Fourth Proportional to 1,571,026,117.09, 2,356,781,313.44 and 535,644,860.23
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Solution
The fourth proportional to 1,571,026,117.09, 2,356,781,313.44 and 535,644,860.23 is: 803,549,847.77
Step by Step Solution
- Step 1: Write the proportion equation
1,571,026,117.09 : 2,356,781,313.44 = 535,644,860.23 : x - Step 2: Convert to fraction form
1,571,026,117.09/2,356,781,313.44 = 535,644,860.23/x - Step 3: Cross multiply
1,571,026,117.09x = 2,356,781,313.44 × 535,644,860.23 - Step 4: Simplify right side
1,571,026,117.09x = 1,262,397,797,230,244,608 - Step 5: Solve for x
x = 1,262,397,797,230,244,608/1,571,026,117.09 - Step 6: Final answer
x = 803,549,847.77
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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.