Finding the Fourth Proportional to 912,260,107.48, 1,258,967,829.31 and 510,349,880.49
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Solution
The fourth proportional to 912,260,107.48, 1,258,967,829.31 and 510,349,880.49 is: 704,310,180.79
Step by Step Solution
- Step 1: Write the proportion equation
912,260,107.48 : 1,258,967,829.31 = 510,349,880.49 : x - Step 2: Convert to fraction form
912,260,107.48/1,258,967,829.31 = 510,349,880.49/x - Step 3: Cross multiply
912,260,107.48x = 1,258,967,829.31 × 510,349,880.49 - Step 4: Simplify right side
912,260,107.48x = 642,514,081,224,878,720 - Step 5: Solve for x
x = 642,514,081,224,878,720/912,260,107.48 - Step 6: Final answer
x = 704,310,180.79
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1.5x scale
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.