Finding the Fourth Proportional to 207,390,688,602.62, 286,245,191,940.28 and 126,083,234,777.99
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Solution
The fourth proportional to 207,390,688,602.62, 286,245,191,940.28 and 126,083,234,777.99 is: 174,022,855,040.66
Step by Step Solution
- Step 1: Write the proportion equation
207,390,688,602.62 : 286,245,191,940.28 = 126,083,234,777.99 : x - Step 2: Convert to fraction form
207,390,688,602.62/286,245,191,940.28 = 126,083,234,777.99/x - Step 3: Cross multiply
207,390,688,602.62x = 286,245,191,940.28 × 126,083,234,777.99 - Step 4: Simplify right side
207,390,688,602.62x = 36,090,719,739,477,141,487,616 - Step 5: Solve for x
x = 36,090,719,739,477,141,487,616/207,390,688,602.62 - Step 6: Final answer
x = 174,022,855,040.66
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1.5x scale
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.