Finding the Fourth Proportional to 514,752,709.56, 772,122,325.14 and 126,578,890.68
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Solution
The fourth proportional to 514,752,709.56, 772,122,325.14 and 126,578,890.68 is: 189,866,678.84
Step by Step Solution
- Step 1: Write the proportion equation
514,752,709.56 : 772,122,325.14 = 126,578,890.68 : x - Step 2: Convert to fraction form
514,752,709.56/772,122,325.14 = 126,578,890.68/x - Step 3: Cross multiply
514,752,709.56x = 772,122,325.14 × 126,578,890.68 - Step 4: Simplify right side
514,752,709.56x = 97,734,387,385,483,472 - Step 5: Solve for x
x = 97,734,387,385,483,472/514,752,709.56 - Step 6: Final answer
x = 189,866,678.84
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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.