Finding the Fourth Proportional to 790,275,062, 1,090,579,585.56 and 442,594,550
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Solution
The fourth proportional to 790,275,062, 1,090,579,585.56 and 442,594,550 is: 610,780,479
Step by Step Solution
- Step 1: Write the proportion equation
790,275,062 : 1,090,579,585.56 = 442,594,550 : x - Step 2: Convert to fraction form
790,275,062/1,090,579,585.56 = 442,594,550/x - Step 3: Cross multiply
790,275,062x = 1,090,579,585.56 × 442,594,550 - Step 4: Simplify right side
790,275,062x = 482,684,580,910,114,688 - Step 5: Solve for x
x = 482,684,580,910,114,688/790,275,062 - Step 6: Final answer
x = 610,780,479
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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.