Finding the Fourth Proportional to 1,513,303,771.90, 2,269,955,657.85 and 929,143,824.70
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Solution
The fourth proportional to 1,513,303,771.90, 2,269,955,657.85 and 929,143,824.70 is: 1,393,715,737.05
Step by Step Solution
- Step 1: Write the proportion equation
1,513,303,771.90 : 2,269,955,657.85 = 929,143,824.70 : x - Step 2: Convert to fraction form
1,513,303,771.90/2,269,955,657.85 = 929,143,824.70/x - Step 3: Cross multiply
1,513,303,771.90x = 2,269,955,657.85 × 929,143,824.70 - Step 4: Simplify right side
1,513,303,771.90x = 2,109,115,281,834,153,472 - Step 5: Solve for x
x = 2,109,115,281,834,153,472/1,513,303,771.90 - Step 6: Final answer
x = 1,393,715,737.05
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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.