Finding the Fourth Proportional to 7,197,636,668.01, 10,796,928,731.28 and 1,885,878,890.31
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Solution
The fourth proportional to 7,197,636,668.01, 10,796,928,731.28 and 1,885,878,890.31 is: 2,828,942,458.99
Step by Step Solution
- Step 1: Write the proportion equation
7,197,636,668.01 : 10,796,928,731.28 = 1,885,878,890.31 : x - Step 2: Convert to fraction form
7,197,636,668.01/10,796,928,731.28 = 1,885,878,890.31/x - Step 3: Cross multiply
7,197,636,668.01x = 10,796,928,731.28 × 1,885,878,890.31 - Step 4: Simplify right side
7,197,636,668.01x = 20,361,699,974,502,481,920 - Step 5: Solve for x
x = 20,361,699,974,502,481,920/7,197,636,668.01 - Step 6: Final answer
x = 2,828,942,458.99
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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.