Finding the Fourth Proportional to 970,185,142.77, 1,454,695,924.90 and 444,896,197.85
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Solution
The fourth proportional to 970,185,142.77, 1,454,695,924.90 and 444,896,197.85 is: 667,077,506.64
Step by Step Solution
- Step 1: Write the proportion equation
970,185,142.77 : 1,454,695,924.90 = 444,896,197.85 : x - Step 2: Convert to fraction form
970,185,142.77/1,454,695,924.90 = 444,896,197.85/x - Step 3: Cross multiply
970,185,142.77x = 1,454,695,924.90 × 444,896,197.85 - Step 4: Simplify right side
970,185,142.77x = 647,188,686,019,268,992 - Step 5: Solve for x
x = 647,188,686,019,268,992/970,185,142.77 - Step 6: Final answer
x = 667,077,506.64
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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.