Finding the Fourth Proportional to 4,520,441,643.10, 6,238,558,515.95 and 2,712,021,325.41
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Solution
The fourth proportional to 4,520,441,643.10, 6,238,558,515.95 and 2,712,021,325.41 is: 3,742,798,839.33
Step by Step Solution
- Step 1: Write the proportion equation
4,520,441,643.10 : 6,238,558,515.95 = 2,712,021,325.41 : x - Step 2: Convert to fraction form
4,520,441,643.10/6,238,558,515.95 = 2,712,021,325.41/x - Step 3: Cross multiply
4,520,441,643.10x = 6,238,558,515.95 × 2,712,021,325.41 - Step 4: Simplify right side
4,520,441,643.10x = 16,919,103,735,074,560,000 - Step 5: Solve for x
x = 16,919,103,735,074,560,000/4,520,441,643.10 - Step 6: Final answer
x = 3,742,798,839.33
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1.5x scale
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.