Finding the Fourth Proportional to 7,118,097,731.20, 10,680,331,646.40 and 3,238,707,318.40
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Solution
The fourth proportional to 7,118,097,731.20, 10,680,331,646.40 and 3,238,707,318.40 is: 4,859,510,163.02
Step by Step Solution
- Step 1: Write the proportion equation
7,118,097,731.20 : 10,680,331,646.40 = 3,238,707,318.40 : x - Step 2: Convert to fraction form
7,118,097,731.20/10,680,331,646.40 = 3,238,707,318.40/x - Step 3: Cross multiply
7,118,097,731.20x = 10,680,331,646.40 × 3,238,707,318.40 - Step 4: Simplify right side
7,118,097,731.20x = 34,590,468,266,134,802,432 - Step 5: Solve for x
x = 34,590,468,266,134,802,432/7,118,097,731.20 - Step 6: Final answer
x = 4,859,510,163.02
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1.5x scale
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.