Finding the Fourth Proportional to 757,369,559.89, 1,045,090,371.99 and 439,767,722.75
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Solution
The fourth proportional to 757,369,559.89, 1,045,090,371.99 and 439,767,722.75 is: 606,833,225.55
Step by Step Solution
- Step 1: Write the proportion equation
757,369,559.89 : 1,045,090,371.99 = 439,767,722.75 : x - Step 2: Convert to fraction form
757,369,559.89/1,045,090,371.99 = 439,767,722.75/x - Step 3: Cross multiply
757,369,559.89x = 1,045,090,371.99 × 439,767,722.75 - Step 4: Simplify right side
757,369,559.89x = 459,597,012,960,605,440 - Step 5: Solve for x
x = 459,597,012,960,605,440/757,369,559.89 - Step 6: Final answer
x = 606,833,225.55
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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.