Finding the Fourth Proportional to 854,441,555.19, 1,281,855,619.98 and 272,208,967.35
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Solution
The fourth proportional to 854,441,555.19, 1,281,855,619.98 and 272,208,967.35 is: 408,375,028.68
Step by Step Solution
- Step 1: Write the proportion equation
854,441,555.19 : 1,281,855,619.98 = 272,208,967.35 : x - Step 2: Convert to fraction form
854,441,555.19/1,281,855,619.98 = 272,208,967.35/x - Step 3: Cross multiply
854,441,555.19x = 1,281,855,619.98 × 272,208,967.35 - Step 4: Simplify right side
854,441,555.19x = 348,932,594,606,549,888 - Step 5: Solve for x
x = 348,932,594,606,549,888/854,441,555.19 - Step 6: Final answer
x = 408,375,028.68
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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.