Finding the Fourth Proportional to 1,590,406,379.96, 2,194,776,051.92 and 875,958,130.58
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Solution
The fourth proportional to 1,590,406,379.96, 2,194,776,051.92 and 875,958,130.58 is: 1,208,830,618.20
Step by Step Solution
- Step 1: Write the proportion equation
1,590,406,379.96 : 2,194,776,051.92 = 875,958,130.58 : x - Step 2: Convert to fraction form
1,590,406,379.96/2,194,776,051.92 = 875,958,130.58/x - Step 3: Cross multiply
1,590,406,379.96x = 2,194,776,051.92 × 875,958,130.58 - Step 4: Simplify right side
1,590,406,379.96x = 1,922,531,927,481,596,416 - Step 5: Solve for x
x = 1,922,531,927,481,596,416/1,590,406,379.96 - Step 6: Final answer
x = 1,208,830,618.20
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.