Finding the Fourth Proportional to 1,337,392,786.32, 2,006,248,722.75 and 646,803,807.12
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Solution
The fourth proportional to 1,337,392,786.32, 2,006,248,722.75 and 646,803,807.12 is: 970,282,870.66
Step by Step Solution
- Step 1: Write the proportion equation
1,337,392,786.32 : 2,006,248,722.75 = 646,803,807.12 : x - Step 2: Convert to fraction form
1,337,392,786.32/2,006,248,722.75 = 646,803,807.12/x - Step 3: Cross multiply
1,337,392,786.32x = 2,006,248,722.75 × 646,803,807.12 - Step 4: Simplify right side
1,337,392,786.32x = 1,297,649,311,904,337,408 - Step 5: Solve for x
x = 1,297,649,311,904,337,408/1,337,392,786.32 - Step 6: Final answer
x = 970,282,870.66
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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.