Finding the Fourth Proportional to 616,554,483.98, 925,620,915.81 and 529,671,852.09
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Solution
The fourth proportional to 616,554,483.98, 925,620,915.81 and 529,671,852.09 is: 795,185,758.20
Step by Step Solution
- Step 1: Write the proportion equation
616,554,483.98 : 925,620,915.81 = 529,671,852.09 : x - Step 2: Convert to fraction form
616,554,483.98/925,620,915.81 = 529,671,852.09/x - Step 3: Cross multiply
616,554,483.98x = 925,620,915.81 × 529,671,852.09 - Step 4: Simplify right side
616,554,483.98x = 490,275,344,814,902,720 - Step 5: Solve for x
x = 490,275,344,814,902,720/616,554,483.98 - Step 6: Final answer
x = 795,185,758.20
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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.