Finding the Fourth Proportional to 1,609,632,003.30, 2,414,448,004.95 and 1,201,485,315.30
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Solution
The fourth proportional to 1,609,632,003.30, 2,414,448,004.95 and 1,201,485,315.30 is: 1,802,227,972.95
Step by Step Solution
- Step 1: Write the proportion equation
1,609,632,003.30 : 2,414,448,004.95 = 1,201,485,315.30 : x - Step 2: Convert to fraction form
1,609,632,003.30/2,414,448,004.95 = 1,201,485,315.30/x - Step 3: Cross multiply
1,609,632,003.30x = 2,414,448,004.95 × 1,201,485,315.30 - Step 4: Simplify right side
1,609,632,003.30x = 2,900,923,822,502,806,528 - Step 5: Solve for x
x = 2,900,923,822,502,806,528/1,609,632,003.30 - Step 6: Final answer
x = 1,802,227,972.95
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Double scale
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1.5x scale
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.