Finding the Fourth Proportional to 1,423,843,566.60, 2,135,765,349.90 and 605,750,305.80
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Solution
The fourth proportional to 1,423,843,566.60, 2,135,765,349.90 and 605,750,305.80 is: 908,625,458.70
Step by Step Solution
- Step 1: Write the proportion equation
1,423,843,566.60 : 2,135,765,349.90 = 605,750,305.80 : x - Step 2: Convert to fraction form
1,423,843,566.60/2,135,765,349.90 = 605,750,305.80/x - Step 3: Cross multiply
1,423,843,566.60x = 2,135,765,349.90 × 605,750,305.80 - Step 4: Simplify right side
1,423,843,566.60x = 1,293,740,513,818,968,832 - Step 5: Solve for x
x = 1,293,740,513,818,968,832/1,423,843,566.60 - Step 6: Final answer
x = 908,625,458.70
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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.