Finding the Fourth Proportional to 1,489,273,110.26, 2,232,357,858.03 and 833,262,339.86
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Solution
The fourth proportional to 1,489,273,110.26, 2,232,357,858.03 and 833,262,339.86 is: 1,249,025,258.95
Step by Step Solution
- Step 1: Write the proportion equation
1,489,273,110.26 : 2,232,357,858.03 = 833,262,339.86 : x - Step 2: Convert to fraction form
1,489,273,110.26/2,232,357,858.03 = 833,262,339.86/x - Step 3: Cross multiply
1,489,273,110.26x = 2,232,357,858.03 × 833,262,339.86 - Step 4: Simplify right side
1,489,273,110.26x = 1,860,139,732,186,935,808 - Step 5: Solve for x
x = 1,860,139,732,186,935,808/1,489,273,110.26 - Step 6: Final answer
x = 1,249,025,258.95
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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.