Finding the Fourth Proportional to 779,035,004.28, 1,168,624,342.61 and 254,406,855.79
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Solution
The fourth proportional to 779,035,004.28, 1,168,624,342.61 and 254,406,855.79 is: 381,633,742.99
Step by Step Solution
- Step 1: Write the proportion equation
779,035,004.28 : 1,168,624,342.61 = 254,406,855.79 : x - Step 2: Convert to fraction form
779,035,004.28/1,168,624,342.61 = 254,406,855.79/x - Step 3: Cross multiply
779,035,004.28x = 1,168,624,342.61 × 254,406,855.79 - Step 4: Simplify right side
779,035,004.28x = 297,306,044,606,176,128 - Step 5: Solve for x
x = 297,306,044,606,176,128/779,035,004.28 - Step 6: Final answer
x = 381,633,742.99
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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.