Finding the Fourth Proportional to 456,837,900,574.42, 630,451,421,974.20 and 251,079,433,135.08
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Solution
The fourth proportional to 456,837,900,574.42, 630,451,421,974.20 and 251,079,433,135.08 is: 346,497,927,272.35
Step by Step Solution
- Step 1: Write the proportion equation
456,837,900,574.42 : 630,451,421,974.20 = 251,079,433,135.08 : x - Step 2: Convert to fraction form
456,837,900,574.42/630,451,421,974.20 = 251,079,433,135.08/x - Step 3: Cross multiply
456,837,900,574.42x = 630,451,421,974.20 × 251,079,433,135.08 - Step 4: Simplify right side
456,837,900,574.42x = 158,293,385,648,487,234,797,568 - Step 5: Solve for x
x = 158,293,385,648,487,234,797,568/456,837,900,574.42 - Step 6: Final answer
x = 346,497,927,272.35
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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.