Finding the Fourth Proportional to 933,259,442.38, 1,398,911,315.11 and 434,859,051.99
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Solution
The fourth proportional to 933,259,442.38, 1,398,911,315.11 and 434,859,051.99 is: 651,832,942.35
Step by Step Solution
- Step 1: Write the proportion equation
933,259,442.38 : 1,398,911,315.11 = 434,859,051.99 : x - Step 2: Convert to fraction form
933,259,442.38/1,398,911,315.11 = 434,859,051.99/x - Step 3: Cross multiply
933,259,442.38x = 1,398,911,315.11 × 434,859,051.99 - Step 4: Simplify right side
933,259,442.38x = 608,329,248,306,818,688 - Step 5: Solve for x
x = 608,329,248,306,818,688/933,259,442.38 - Step 6: Final answer
x = 651,832,942.35
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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.