Finding the Fourth Proportional to 1,417,312,805.20, 2,125,969,207.80 and 1,124,595,102.40
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Solution
The fourth proportional to 1,417,312,805.20, 2,125,969,207.80 and 1,124,595,102.40 is: 1,686,892,653.60
Step by Step Solution
- Step 1: Write the proportion equation
1,417,312,805.20 : 2,125,969,207.80 = 1,124,595,102.40 : x - Step 2: Convert to fraction form
1,417,312,805.20/2,125,969,207.80 = 1,124,595,102.40/x - Step 3: Cross multiply
1,417,312,805.20x = 2,125,969,207.80 × 1,124,595,102.40 - Step 4: Simplify right side
1,417,312,805.20x = 2,390,854,558,945,088,000 - Step 5: Solve for x
x = 2,390,854,558,945,088,000/1,417,312,805.20 - Step 6: Final answer
x = 1,686,892,653.60
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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.