Finding the Fourth Proportional to 703,607,750.22, 970,575,283.84 and 438,830,057.40
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Solution
The fourth proportional to 703,607,750.22, 970,575,283.84 and 438,830,057.40 is: 605,333,877.27
Step by Step Solution
- Step 1: Write the proportion equation
703,607,750.22 : 970,575,283.84 = 438,830,057.40 : x - Step 2: Convert to fraction form
703,607,750.22/970,575,283.84 = 438,830,057.40/x - Step 3: Cross multiply
703,607,750.22x = 970,575,283.84 × 438,830,057.40 - Step 4: Simplify right side
703,607,750.22x = 425,917,607,518,528,512 - Step 5: Solve for x
x = 425,917,607,518,528,512/703,607,750.22 - Step 6: Final answer
x = 605,333,877.27
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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.