Finding the Fourth Proportional to 2,623,500,622.90, 3,620,431,030.95 and 1,434,074,303.14
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Solution
The fourth proportional to 2,623,500,622.90, 3,620,431,030.95 and 1,434,074,303.14 is: 1,979,022,632.00
Step by Step Solution
- Step 1: Write the proportion equation
2,623,500,622.90 : 3,620,431,030.95 = 1,434,074,303.14 : x - Step 2: Convert to fraction form
2,623,500,622.90/3,620,431,030.95 = 1,434,074,303.14/x - Step 3: Cross multiply
2,623,500,622.90x = 3,620,431,030.95 × 1,434,074,303.14 - Step 4: Simplify right side
2,623,500,622.90x = 5,191,967,107,776,053,248 - Step 5: Solve for x
x = 5,191,967,107,776,053,248/2,623,500,622.90 - Step 6: Final answer
x = 1,979,022,632.00
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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.