Finding the Fourth Proportional to 1,640,804,554.35, 2,461,206,831.53 and 1,583,473,661.55
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Solution
The fourth proportional to 1,640,804,554.35, 2,461,206,831.53 and 1,583,473,661.55 is: 2,375,210,492.33
Step by Step Solution
- Step 1: Write the proportion equation
1,640,804,554.35 : 2,461,206,831.53 = 1,583,473,661.55 : x - Step 2: Convert to fraction form
1,640,804,554.35/2,461,206,831.53 = 1,583,473,661.55/x - Step 3: Cross multiply
1,640,804,554.35x = 2,461,206,831.53 × 1,583,473,661.55 - Step 4: Simplify right side
1,640,804,554.35x = 3,897,256,193,346,765,824 - Step 5: Solve for x
x = 3,897,256,193,346,765,824/1,640,804,554.35 - Step 6: Final answer
x = 2,375,210,492.33
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.