Finding the Fourth Proportional to 2,355,478,788.56, 3,250,688,558.88 and 1,351,888,332.28
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Solution
The fourth proportional to 2,355,478,788.56, 3,250,688,558.88 and 1,351,888,332.28 is: 1,865,679,264.86
Step by Step Solution
- Step 1: Write the proportion equation
2,355,478,788.56 : 3,250,688,558.88 = 1,351,888,332.28 : x - Step 2: Convert to fraction form
2,355,478,788.56/3,250,688,558.88 = 1,351,888,332.28/x - Step 3: Cross multiply
2,355,478,788.56x = 3,250,688,558.88 × 1,351,888,332.28 - Step 4: Simplify right side
2,355,478,788.56x = 4,394,567,934,625,959,936 - Step 5: Solve for x
x = 4,394,567,934,625,959,936/2,355,478,788.56 - Step 6: Final answer
x = 1,865,679,264.86
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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.