Finding the Fourth Proportional to 2,292,014,312.80, 3,438,021,469.20 and 656,238,914.80
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Solution
The fourth proportional to 2,292,014,312.80, 3,438,021,469.20 and 656,238,914.80 is: 984,358,372.20
Step by Step Solution
- Step 1: Write the proportion equation
2,292,014,312.80 : 3,438,021,469.20 = 656,238,914.80 : x - Step 2: Convert to fraction form
2,292,014,312.80/3,438,021,469.20 = 656,238,914.80/x - Step 3: Cross multiply
2,292,014,312.80x = 3,438,021,469.20 × 656,238,914.80 - Step 4: Simplify right side
2,292,014,312.80x = 2,256,163,478,006,909,440 - Step 5: Solve for x
x = 2,256,163,478,006,909,440/2,292,014,312.80 - Step 6: Final answer
x = 984,358,372.20
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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.