Finding the Fourth Proportional to 2,727,507,962.08, 4,091,407,990.98 and 862,011,746.20
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Solution
The fourth proportional to 2,727,507,962.08, 4,091,407,990.98 and 862,011,746.20 is: 1,293,063,776.81
Step by Step Solution
- Step 1: Write the proportion equation
2,727,507,962.08 : 4,091,407,990.98 = 862,011,746.20 : x - Step 2: Convert to fraction form
2,727,507,962.08/4,091,407,990.98 = 862,011,746.20/x - Step 3: Cross multiply
2,727,507,962.08x = 4,091,407,990.98 × 862,011,746.20 - Step 4: Simplify right side
2,727,507,962.08x = 3,526,841,746,721,304,064 - Step 5: Solve for x
x = 3,526,841,746,721,304,064/2,727,507,962.08 - Step 6: Final answer
x = 1,293,063,776.81
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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.