Finding the Fourth Proportional to 9,579,850,421.05, 13,220,052,886.97 and 5,350,824,026.65
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Solution
The fourth proportional to 9,579,850,421.05, 13,220,052,886.97 and 5,350,824,026.65 is: 7,384,058,572.12
Step by Step Solution
- Step 1: Write the proportion equation
9,579,850,421.05 : 13,220,052,886.97 = 5,350,824,026.65 : x - Step 2: Convert to fraction form
9,579,850,421.05/13,220,052,886.97 = 5,350,824,026.65/x - Step 3: Cross multiply
9,579,850,421.05x = 13,220,052,886.97 × 5,350,824,026.65 - Step 4: Simplify right side
9,579,850,421.05x = 70,738,176,621,182,763,008 - Step 5: Solve for x
x = 70,738,176,621,182,763,008/9,579,850,421.05 - Step 6: Final answer
x = 7,384,058,572.12
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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.