Finding the Fourth Proportional to 1,395,649,136.16, 1,925,996,208.13 and 760,569,806.17
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Solution
The fourth proportional to 1,395,649,136.16, 1,925,996,208.13 and 760,569,806.17 is: 1,049,586,550.63
Step by Step Solution
- Step 1: Write the proportion equation
1,395,649,136.16 : 1,925,996,208.13 = 760,569,806.17 : x - Step 2: Convert to fraction form
1,395,649,136.16/1,925,996,208.13 = 760,569,806.17/x - Step 3: Cross multiply
1,395,649,136.16x = 1,925,996,208.13 × 760,569,806.17 - Step 4: Simplify right side
1,395,649,136.16x = 1,464,854,562,704,985,344 - Step 5: Solve for x
x = 1,464,854,562,704,985,344/1,395,649,136.16 - Step 6: Final answer
x = 1,049,586,550.63
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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.