Finding the Fourth Proportional to 1,449,254,401.80, 2,173,881,602.70 and 358,737,469.80
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Solution
The fourth proportional to 1,449,254,401.80, 2,173,881,602.70 and 358,737,469.80 is: 538,106,204.70
Step by Step Solution
- Step 1: Write the proportion equation
1,449,254,401.80 : 2,173,881,602.70 = 358,737,469.80 : x - Step 2: Convert to fraction form
1,449,254,401.80/2,173,881,602.70 = 358,737,469.80/x - Step 3: Cross multiply
1,449,254,401.80x = 2,173,881,602.70 × 358,737,469.80 - Step 4: Simplify right side
1,449,254,401.80x = 779,852,785,797,366,784 - Step 5: Solve for x
x = 779,852,785,797,366,784/1,449,254,401.80 - Step 6: Final answer
x = 538,106,204.70
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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.