Finding the Fourth Proportional to 84,261,498,578.54, 116,289,534,837.51 and 51,266,928,331.59
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Solution
The fourth proportional to 84,261,498,578.54, 116,289,534,837.51 and 51,266,928,331.59 is: 70,753,634,207.82
Step by Step Solution
- Step 1: Write the proportion equation
84,261,498,578.54 : 116,289,534,837.51 = 51,266,928,331.59 : x - Step 2: Convert to fraction form
84,261,498,578.54/116,289,534,837.51 = 51,266,928,331.59/x - Step 3: Cross multiply
84,261,498,578.54x = 116,289,534,837.51 × 51,266,928,331.59 - Step 4: Simplify right side
84,261,498,578.54x = 5,961,807,248,228,562,763,776 - Step 5: Solve for x
x = 5,961,807,248,228,562,763,776/84,261,498,578.54 - Step 6: Final answer
x = 70,753,634,207.82
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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.