Finding the Fourth Proportional to 538,399,139.06, 807,734,765.64 and 150,221,739.08
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Solution
The fourth proportional to 538,399,139.06, 807,734,765.64 and 150,221,739.08 is: 225,370,570.65
Step by Step Solution
- Step 1: Write the proportion equation
538,399,139.06 : 807,734,765.64 = 150,221,739.08 : x - Step 2: Convert to fraction form
538,399,139.06/807,734,765.64 = 150,221,739.08/x - Step 3: Cross multiply
538,399,139.06x = 807,734,765.64 × 150,221,739.08 - Step 4: Simplify right side
538,399,139.06x = 121,339,321,209,817,040 - Step 5: Solve for x
x = 121,339,321,209,817,040/538,399,139.06 - Step 6: Final answer
x = 225,370,570.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.