Finding the Fourth Proportional to 7,153,873,005.65, 10,731,975,144.77 and 2,112,239,097.74
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Solution
The fourth proportional to 7,153,873,005.65, 10,731,975,144.77 and 2,112,239,097.74 is: 3,168,702,810.20
Step by Step Solution
- Step 1: Write the proportion equation
7,153,873,005.65 : 10,731,975,144.77 = 2,112,239,097.74 : x - Step 2: Convert to fraction form
7,153,873,005.65/10,731,975,144.77 = 2,112,239,097.74/x - Step 3: Cross multiply
7,153,873,005.65x = 10,731,975,144.77 × 2,112,239,097.74 - Step 4: Simplify right side
7,153,873,005.65x = 22,668,497,496,790,257,664 - Step 5: Solve for x
x = 22,668,497,496,790,257,664/7,153,873,005.65 - Step 6: Final answer
x = 3,168,702,810.20
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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.