Finding the Fourth Proportional to 310,252,387.29, 428,173,890.01 and 178,118,882.85
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Solution
The fourth proportional to 310,252,387.29, 428,173,890.01 and 178,118,882.85 is: 245,818,752.99
Step by Step Solution
- Step 1: Write the proportion equation
310,252,387.29 : 428,173,890.01 = 178,118,882.85 : x - Step 2: Convert to fraction form
310,252,387.29/428,173,890.01 = 178,118,882.85/x - Step 3: Cross multiply
310,252,387.29x = 428,173,890.01 × 178,118,882.85 - Step 4: Simplify right side
310,252,387.29x = 76,265,854,955,280,320 - Step 5: Solve for x
x = 76,265,854,955,280,320/310,252,387.29 - Step 6: Final answer
x = 245,818,752.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.