Finding the Fourth Proportional to 1,721,029,521.60, 2,581,544,282.40 and 1,101,156,739.20
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Solution
The fourth proportional to 1,721,029,521.60, 2,581,544,282.40 and 1,101,156,739.20 is: 1,651,735,108.80
Step by Step Solution
- Step 1: Write the proportion equation
1,721,029,521.60 : 2,581,544,282.40 = 1,101,156,739.20 : x - Step 2: Convert to fraction form
1,721,029,521.60/2,581,544,282.40 = 1,101,156,739.20/x - Step 3: Cross multiply
1,721,029,521.60x = 2,581,544,282.40 × 1,101,156,739.20 - Step 4: Simplify right side
1,721,029,521.60x = 2,842,684,884,107,987,968 - Step 5: Solve for x
x = 2,842,684,884,107,987,968/1,721,029,521.60 - Step 6: Final answer
x = 1,651,735,108.80
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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.