Finding the Fourth Proportional to 787,437,647.62, 1,180,331,411.84 and 366,912,318.23
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Solution
The fourth proportional to 787,437,647.62, 1,180,331,411.84 and 366,912,318.23 is: 549,984,034.81
Step by Step Solution
- Step 1: Write the proportion equation
787,437,647.62 : 1,180,331,411.84 = 366,912,318.23 : x - Step 2: Convert to fraction form
787,437,647.62/1,180,331,411.84 = 366,912,318.23/x - Step 3: Cross multiply
787,437,647.62x = 1,180,331,411.84 × 366,912,318.23 - Step 4: Simplify right side
787,437,647.62x = 433,078,134,602,060,480 - Step 5: Solve for x
x = 433,078,134,602,060,480/787,437,647.62 - Step 6: Final answer
x = 549,984,034.81
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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.