Finding the Fourth Proportional to 839,565,577.35, 1,158,972,058.49 and 542,352,769.02
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Solution
The fourth proportional to 839,565,577.35, 1,158,972,058.49 and 542,352,769.02 is: 748,686,847.21
Step by Step Solution
- Step 1: Write the proportion equation
839,565,577.35 : 1,158,972,058.49 = 542,352,769.02 : x - Step 2: Convert to fraction form
839,565,577.35/1,158,972,058.49 = 542,352,769.02/x - Step 3: Cross multiply
839,565,577.35x = 1,158,972,058.49 × 542,352,769.02 - Step 4: Simplify right side
839,565,577.35x = 628,571,705,136,149,120 - Step 5: Solve for x
x = 628,571,705,136,149,120/839,565,577.35 - Step 6: Final answer
x = 748,686,847.21
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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.