Finding the Fourth Proportional to 1,455,646,149.68, 2,181,247,392.84 and 864,271,853.51
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Solution
The fourth proportional to 1,455,646,149.68, 2,181,247,392.84 and 864,271,853.51 is: 1,295,088,595.25
Step by Step Solution
- Step 1: Write the proportion equation
1,455,646,149.68 : 2,181,247,392.84 = 864,271,853.51 : x - Step 2: Convert to fraction form
1,455,646,149.68/2,181,247,392.84 = 864,271,853.51/x - Step 3: Cross multiply
1,455,646,149.68x = 2,181,247,392.84 × 864,271,853.51 - Step 4: Simplify right side
1,455,646,149.68x = 1,885,190,727,162,775,808 - Step 5: Solve for x
x = 1,885,190,727,162,775,808/1,455,646,149.68 - Step 6: Final answer
x = 1,295,088,595.25
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.