Finding the Fourth Proportional to 4,927,064,403, 6,797,674,858.68 and 2,811,000,185.40
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Solution
The fourth proportional to 4,927,064,403, 6,797,674,858.68 and 2,811,000,185.40 is: 3,878,225,191.54
Step by Step Solution
- Step 1: Write the proportion equation
4,927,064,403 : 6,797,674,858.68 = 2,811,000,185.40 : x - Step 2: Convert to fraction form
4,927,064,403/6,797,674,858.68 = 2,811,000,185.40/x - Step 3: Cross multiply
4,927,064,403x = 6,797,674,858.68 × 2,811,000,185.40 - Step 4: Simplify right side
4,927,064,403x = 19,108,265,288,038,400,000 - Step 5: Solve for x
x = 19,108,265,288,038,400,000/4,927,064,403 - Step 6: Final answer
x = 3,878,225,191.54
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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.