Finding the Fourth Proportional to 19,979,450,240.96, 29,971,017,580 and 6,533,803,883.04
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Solution
The fourth proportional to 19,979,450,240.96, 29,971,017,580 and 6,533,803,883.04 is: 9,801,308,278.31
Step by Step Solution
- Step 1: Write the proportion equation
19,979,450,240.96 : 29,971,017,580 = 6,533,803,883.04 : x - Step 2: Convert to fraction form
19,979,450,240.96/29,971,017,580 = 6,533,803,883.04/x - Step 3: Cross multiply
19,979,450,240.96x = 29,971,017,580 × 6,533,803,883.04 - Step 4: Simplify right side
19,979,450,240.96x = 195,824,751,042,864,087,040 - Step 5: Solve for x
x = 195,824,751,042,864,087,040/19,979,450,240.96 - Step 6: Final answer
x = 9,801,308,278.31
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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.