Finding the Fourth Proportional to 3,881,401,756.74, 5,819,772,266.10 and 1,780,246,132.20
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Solution
The fourth proportional to 3,881,401,756.74, 5,819,772,266.10 and 1,780,246,132.20 is: 2,669,300,349.81
Step by Step Solution
- Step 1: Write the proportion equation
3,881,401,756.74 : 5,819,772,266.10 = 1,780,246,132.20 : x - Step 2: Convert to fraction form
3,881,401,756.74/5,819,772,266.10 = 1,780,246,132.20/x - Step 3: Cross multiply
3,881,401,756.74x = 5,819,772,266.10 × 1,780,246,132.20 - Step 4: Simplify right side
3,881,401,756.74x = 10,360,627,067,009,355,776 - Step 5: Solve for x
x = 10,360,627,067,009,355,776/3,881,401,756.74 - Step 6: Final answer
x = 2,669,300,349.81
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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.