Finding the Fourth Proportional to 1,127,044,296.55, 1,554,674,941.10 and 702,921,628.56
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Solution
The fourth proportional to 1,127,044,296.55, 1,554,674,941.10 and 702,921,628.56 is: 969,628,828.99
Step by Step Solution
- Step 1: Write the proportion equation
1,127,044,296.55 : 1,554,674,941.10 = 702,921,628.56 : x - Step 2: Convert to fraction form
1,127,044,296.55/1,554,674,941.10 = 702,921,628.56/x - Step 3: Cross multiply
1,127,044,296.55x = 1,554,674,941.10 × 702,921,628.56 - Step 4: Simplify right side
1,127,044,296.55x = 1,092,814,641,479,433,984 - Step 5: Solve for x
x = 1,092,814,641,479,433,984/1,127,044,296.55 - Step 6: Final answer
x = 969,628,828.99
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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.