Finding the Fourth Proportional to 403,315,908.60, 604,973,862.90 and 130,714,231.80
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Solution
The fourth proportional to 403,315,908.60, 604,973,862.90 and 130,714,231.80 is: 196,071,347.70
Step by Step Solution
- Step 1: Write the proportion equation
403,315,908.60 : 604,973,862.90 = 130,714,231.80 : x - Step 2: Convert to fraction form
403,315,908.60/604,973,862.90 = 130,714,231.80/x - Step 3: Cross multiply
403,315,908.60x = 604,973,862.90 × 130,714,231.80 - Step 4: Simplify right side
403,315,908.60x = 79,078,693,748,052,016 - Step 5: Solve for x
x = 79,078,693,748,052,016/403,315,908.60 - Step 6: Final answer
x = 196,071,347.70
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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.