Finding the Fourth Proportional to 39,484,387,905.98, 58,816,203,085.36 and 37,345,784,291.42
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Solution
The fourth proportional to 39,484,387,905.98, 58,816,203,085.36 and 37,345,784,291.42 is: 55,630,525,120.37
Step by Step Solution
- Step 1: Write the proportion equation
39,484,387,905.98 : 58,816,203,085.36 = 37,345,784,291.42 : x - Step 2: Convert to fraction form
39,484,387,905.98/58,816,203,085.36 = 37,345,784,291.42/x - Step 3: Cross multiply
39,484,387,905.98x = 58,816,203,085.36 × 37,345,784,291.42 - Step 4: Simplify right side
39,484,387,905.98x = 2,196,537,233,266,206,048,256 - Step 5: Solve for x
x = 2,196,537,233,266,206,048,256/39,484,387,905.98 - Step 6: Final answer
x = 55,630,525,120.37
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.