Finding the Fourth Proportional to 25,136,417,358.63, 37,708,500,242.88 and 8,570,317,248.99
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Solution
The fourth proportional to 25,136,417,358.63, 37,708,500,242.88 and 8,570,317,248.99 is: 12,856,796,792.25
Step by Step Solution
- Step 1: Write the proportion equation
25,136,417,358.63 : 37,708,500,242.88 = 8,570,317,248.99 : x - Step 2: Convert to fraction form
25,136,417,358.63/37,708,500,242.88 = 8,570,317,248.99/x - Step 3: Cross multiply
25,136,417,358.63x = 37,708,500,242.88 × 8,570,317,248.99 - Step 4: Simplify right side
25,136,417,358.63x = 323,173,810,065,098,014,720 - Step 5: Solve for x
x = 323,173,810,065,098,014,720/25,136,417,358.63 - Step 6: Final answer
x = 12,856,796,792.25
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1.5x scale
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.