Finding the Fourth Proportional to 1,345,291,339.80, 2,017,937,009.70 and 996,612,899.70
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Solution
The fourth proportional to 1,345,291,339.80, 2,017,937,009.70 and 996,612,899.70 is: 1,494,919,349.55
Step by Step Solution
- Step 1: Write the proportion equation
1,345,291,339.80 : 2,017,937,009.70 = 996,612,899.70 : x - Step 2: Convert to fraction form
1,345,291,339.80/2,017,937,009.70 = 996,612,899.70/x - Step 3: Cross multiply
1,345,291,339.80x = 2,017,937,009.70 × 996,612,899.70 - Step 4: Simplify right side
1,345,291,339.80x = 2,011,102,054,649,064,192 - Step 5: Solve for x
x = 2,011,102,054,649,064,192/1,345,291,339.80 - Step 6: Final answer
x = 1,494,919,349.55
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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.