Finding the Fourth Proportional to 4,658,836,701.30, 6,988,255,051.95 and 2,209,956,573.30
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Solution
The fourth proportional to 4,658,836,701.30, 6,988,255,051.95 and 2,209,956,573.30 is: 3,314,934,859.95
Step by Step Solution
- Step 1: Write the proportion equation
4,658,836,701.30 : 6,988,255,051.95 = 2,209,956,573.30 : x - Step 2: Convert to fraction form
4,658,836,701.30/6,988,255,051.95 = 2,209,956,573.30/x - Step 3: Cross multiply
4,658,836,701.30x = 6,988,255,051.95 × 2,209,956,573.30 - Step 4: Simplify right side
4,658,836,701.30x = 15,443,740,187,953,836,032 - Step 5: Solve for x
x = 15,443,740,187,953,836,032/4,658,836,701.30 - Step 6: Final answer
x = 3,314,934,859.95
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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.