Finding the Fourth Proportional to 774,734,468.77, 1,069,124,864.55 and 422,302,726.58
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Solution
The fourth proportional to 774,734,468.77, 1,069,124,864.55 and 422,302,726.58 is: 582,773,019.09
Step by Step Solution
- Step 1: Write the proportion equation
774,734,468.77 : 1,069,124,864.55 = 422,302,726.58 : x - Step 2: Convert to fraction form
774,734,468.77/1,069,124,864.55 = 422,302,726.58/x - Step 3: Cross multiply
774,734,468.77x = 1,069,124,864.55 × 422,302,726.58 - Step 4: Simplify right side
774,734,468.77x = 451,494,345,353,938,176 - Step 5: Solve for x
x = 451,494,345,353,938,176/774,734,468.77 - Step 6: Final answer
x = 582,773,019.09
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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.