Finding the Fourth Proportional to 626,187,439.92, 938,464,069.36 and 349,827,491.10
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Solution
The fourth proportional to 626,187,439.92, 938,464,069.36 and 349,827,491.10 is: 524,284,758.75
Step by Step Solution
- Step 1: Write the proportion equation
626,187,439.92 : 938,464,069.36 = 349,827,491.10 : x - Step 2: Convert to fraction form
626,187,439.92/938,464,069.36 = 349,827,491.10/x - Step 3: Cross multiply
626,187,439.92x = 938,464,069.36 × 349,827,491.10 - Step 4: Simplify right side
626,187,439.92x = 328,300,530,871,705,216 - Step 5: Solve for x
x = 328,300,530,871,705,216/626,187,439.92 - Step 6: Final answer
x = 524,284,758.75
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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.