Finding the Fourth Proportional to 302,331,518,803.15, 417,230,171,106.21 and 173,873,067,718.02
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Solution
The fourth proportional to 302,331,518,803.15, 417,230,171,106.21 and 173,873,067,718.02 is: 239,952,123,026.86
Step by Step Solution
- Step 1: Write the proportion equation
302,331,518,803.15 : 417,230,171,106.21 = 173,873,067,718.02 : x - Step 2: Convert to fraction form
302,331,518,803.15/417,230,171,106.21 = 173,873,067,718.02/x - Step 3: Cross multiply
302,331,518,803.15x = 417,230,171,106.21 × 173,873,067,718.02 - Step 4: Simplify right side
302,331,518,803.15x = 72,545,089,794,751,118,442,496 - Step 5: Solve for x
x = 72,545,089,794,751,118,442,496/302,331,518,803.15 - Step 6: Final answer
x = 239,952,123,026.86
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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.