Finding the Fourth Proportional to 605,103,673.80, 907,655,510.70 and 519,010,231.80
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Solution
The fourth proportional to 605,103,673.80, 907,655,510.70 and 519,010,231.80 is: 778,515,347.70
Step by Step Solution
- Step 1: Write the proportion equation
605,103,673.80 : 907,655,510.70 = 519,010,231.80 : x - Step 2: Convert to fraction form
605,103,673.80/907,655,510.70 = 519,010,231.80/x - Step 3: Cross multiply
605,103,673.80x = 907,655,510.70 × 519,010,231.80 - Step 4: Simplify right side
605,103,673.80x = 471,082,497,002,954,432 - Step 5: Solve for x
x = 471,082,497,002,954,432/605,103,673.80 - Step 6: Final answer
x = 778,515,347.70
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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.