Finding the Fourth Proportional to 4,982,068,298.90, 7,473,102,448.35 and 3,147,479,729.30
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Solution
The fourth proportional to 4,982,068,298.90, 7,473,102,448.35 and 3,147,479,729.30 is: 4,721,219,593.95
Step by Step Solution
- Step 1: Write the proportion equation
4,982,068,298.90 : 7,473,102,448.35 = 3,147,479,729.30 : x - Step 2: Convert to fraction form
4,982,068,298.90/7,473,102,448.35 = 3,147,479,729.30/x - Step 3: Cross multiply
4,982,068,298.90x = 7,473,102,448.35 × 3,147,479,729.30 - Step 4: Simplify right side
4,982,068,298.90x = 23,521,438,471,163,826,176 - Step 5: Solve for x
x = 23,521,438,471,163,826,176/4,982,068,298.90 - Step 6: Final answer
x = 4,721,219,593.95
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Double scale
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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.