Finding the Fourth Proportional to 2,512,210,551.76, 3,768,877,826.50 and 765,549,989.11
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Solution
The fourth proportional to 2,512,210,551.76, 3,768,877,826.50 and 765,549,989.11 is: 1,148,496,242.48
Step by Step Solution
- Step 1: Write the proportion equation
2,512,210,551.76 : 3,768,877,826.50 = 765,549,989.11 : x - Step 2: Convert to fraction form
2,512,210,551.76/3,768,877,826.50 = 765,549,989.11/x - Step 3: Cross multiply
2,512,210,551.76x = 3,768,877,826.50 × 765,549,989.11 - Step 4: Simplify right side
2,512,210,551.76x = 2,885,264,379,024,366,080 - Step 5: Solve for x
x = 2,885,264,379,024,366,080/2,512,210,551.76 - Step 6: Final answer
x = 1,148,496,242.48
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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.