Finding the Fourth Proportional to 1,177,535,040.15, 1,625,009,102.34 and 648,917,992.98
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Solution
The fourth proportional to 1,177,535,040.15, 1,625,009,102.34 and 648,917,992.98 is: 895,512,752.75
Step by Step Solution
- Step 1: Write the proportion equation
1,177,535,040.15 : 1,625,009,102.34 = 648,917,992.98 : x - Step 2: Convert to fraction form
1,177,535,040.15/1,625,009,102.34 = 648,917,992.98/x - Step 3: Cross multiply
1,177,535,040.15x = 1,625,009,102.34 × 648,917,992.98 - Step 4: Simplify right side
1,177,535,040.15x = 1,054,497,645,264,704,256 - Step 5: Solve for x
x = 1,054,497,645,264,704,256/1,177,535,040.15 - Step 6: Final answer
x = 895,512,752.75
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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.