Finding the Fourth Proportional to 77,850,430,828.76, 116,775,837,605.64 and 21,953,211,357.08
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Solution
The fourth proportional to 77,850,430,828.76, 116,775,837,605.64 and 21,953,211,357.08 is: 32,929,870,998.35
Step by Step Solution
- Step 1: Write the proportion equation
77,850,430,828.76 : 116,775,837,605.64 = 21,953,211,357.08 : x - Step 2: Convert to fraction form
77,850,430,828.76/116,775,837,605.64 = 21,953,211,357.08/x - Step 3: Cross multiply
77,850,430,828.76x = 116,775,837,605.64 × 21,953,211,357.08 - Step 4: Simplify right side
77,850,430,828.76x = 2,563,604,644,356,665,901,056 - Step 5: Solve for x
x = 2,563,604,644,356,665,901,056/77,850,430,828.76 - Step 6: Final answer
x = 32,929,870,998.35
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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.