Finding the Fourth Proportional to 316,373,171.38, 474,386,758.48 and 251,212,878.98
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Solution
The fourth proportional to 316,373,171.38, 474,386,758.48 and 251,212,878.98 is: 376,681,950.71
Step by Step Solution
- Step 1: Write the proportion equation
316,373,171.38 : 474,386,758.48 = 251,212,878.98 : x - Step 2: Convert to fraction form
316,373,171.38/474,386,758.48 = 251,212,878.98/x - Step 3: Cross multiply
316,373,171.38x = 474,386,758.48 × 251,212,878.98 - Step 4: Simplify right side
316,373,171.38x = 119,172,063,347,750,736 - Step 5: Solve for x
x = 119,172,063,347,750,736/316,373,171.38 - Step 6: Final answer
x = 376,681,950.71
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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.