Finding the Fourth Proportional to 2,350,009,189,898.40, 3,526,623,961,544.60 and 820,185,490,779.09
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Solution
The fourth proportional to 2,350,009,189,898.40, 3,526,623,961,544.60 and 820,185,490,779.09 is: 1,230,840,209,955.86
Step by Step Solution
- Step 1: Write the proportion equation
2,350,009,189,898.40 : 3,526,623,961,544.60 = 820,185,490,779.09 : x - Step 2: Convert to fraction form
2,350,009,189,898.40/3,526,623,961,544.60 = 820,185,490,779.09/x - Step 3: Cross multiply
2,350,009,189,898.40x = 3,526,623,961,544.60 × 820,185,490,779.09 - Step 4: Simplify right side
2,350,009,189,898.40x = 2,892,485,804,692,756,357,971,968 - Step 5: Solve for x
x = 2,892,485,804,692,756,357,971,968/2,350,009,189,898.40 - Step 6: Final answer
x = 1,230,840,209,955.86
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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.