Finding the Fourth Proportional to 406,875,482.56, 610,255,734.36 and 130,490,777.44
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Solution
The fourth proportional to 406,875,482.56, 610,255,734.36 and 130,490,777.44 is: 195,717,728.46
Step by Step Solution
- Step 1: Write the proportion equation
406,875,482.56 : 610,255,734.36 = 130,490,777.44 : x - Step 2: Convert to fraction form
406,875,482.56/610,255,734.36 = 130,490,777.44/x - Step 3: Cross multiply
406,875,482.56x = 610,255,734.36 × 130,490,777.44 - Step 4: Simplify right side
406,875,482.56x = 79,632,745,213,854,528 - Step 5: Solve for x
x = 79,632,745,213,854,528/406,875,482.56 - Step 6: Final answer
x = 195,717,728.46
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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.