Finding the Fourth Proportional to 803,559,940.92, 1,108,982,649.56 and 446,397,197.00
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Solution
The fourth proportional to 803,559,940.92, 1,108,982,649.56 and 446,397,197.00 is: 616,066,980.28
Step by Step Solution
- Step 1: Write the proportion equation
803,559,940.92 : 1,108,982,649.56 = 446,397,197.00 : x - Step 2: Convert to fraction form
803,559,940.92/1,108,982,649.56 = 446,397,197.00/x - Step 3: Cross multiply
803,559,940.92x = 1,108,982,649.56 × 446,397,197.00 - Step 4: Simplify right side
803,559,940.92x = 495,046,746,277,440,448 - Step 5: Solve for x
x = 495,046,746,277,440,448/803,559,940.92 - Step 6: Final answer
x = 616,066,980.28
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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.