Finding the Fourth Proportional to 18,266,631,229.62, 27,400,513,714.97 and 8,692,338,977.10
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Solution
The fourth proportional to 18,266,631,229.62, 27,400,513,714.97 and 8,692,338,977.10 is: 13,038,778,216.04
Step by Step Solution
- Step 1: Write the proportion equation
18,266,631,229.62 : 27,400,513,714.97 = 8,692,338,977.10 : x - Step 2: Convert to fraction form
18,266,631,229.62/27,400,513,714.97 = 8,692,338,977.10/x - Step 3: Cross multiply
18,266,631,229.62x = 27,400,513,714.97 × 8,692,338,977.10 - Step 4: Simplify right side
18,266,631,229.62x = 238,174,553,357,153,402,880 - Step 5: Solve for x
x = 238,174,553,357,153,402,880/18,266,631,229.62 - Step 6: Final answer
x = 13,038,778,216.04
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1.5x scale
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.