Finding the Fourth Proportional to 756,024,320.58, 1,043,309,835.63 and 438,548,774.49
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Solution
The fourth proportional to 756,024,320.58, 1,043,309,835.63 and 438,548,774.49 is: 605,195,147.00
Step by Step Solution
- Step 1: Write the proportion equation
756,024,320.58 : 1,043,309,835.63 = 438,548,774.49 : x - Step 2: Convert to fraction form
756,024,320.58/1,043,309,835.63 = 438,548,774.49/x - Step 3: Cross multiply
756,024,320.58x = 1,043,309,835.63 × 438,548,774.49 - Step 4: Simplify right side
756,024,320.58x = 457,542,249,828,899,840 - Step 5: Solve for x
x = 457,542,249,828,899,840/756,024,320.58 - Step 6: Final answer
x = 605,195,147.00
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.