Finding the Fourth Proportional to 13,106,246,607.98, 19,673,360,083.94 and 5,648,509,811.60
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Solution
The fourth proportional to 13,106,246,607.98, 19,673,360,083.94 and 5,648,509,811.60 is: 8,478,794,179.99
Step by Step Solution
- Step 1: Write the proportion equation
13,106,246,607.98 : 19,673,360,083.94 = 5,648,509,811.60 : x - Step 2: Convert to fraction form
13,106,246,607.98/19,673,360,083.94 = 5,648,509,811.60/x - Step 3: Cross multiply
13,106,246,607.98x = 19,673,360,083.94 × 5,648,509,811.60 - Step 4: Simplify right side
13,106,246,607.98x = 111,125,167,461,274,894,336 - Step 5: Solve for x
x = 111,125,167,461,274,894,336/13,106,246,607.98 - Step 6: Final answer
x = 8,478,794,179.99
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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.