Finding the Fourth Proportional to 1,228,727,423.30, 1,843,125,475.29 and 399,681,068.70
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Solution
The fourth proportional to 1,228,727,423.30, 1,843,125,475.29 and 399,681,068.70 is: 599,532,773.30
Step by Step Solution
- Step 1: Write the proportion equation
1,228,727,423.30 : 1,843,125,475.29 = 399,681,068.70 : x - Step 2: Convert to fraction form
1,228,727,423.30/1,843,125,475.29 = 399,681,068.70/x - Step 3: Cross multiply
1,228,727,423.30x = 1,843,125,475.29 × 399,681,068.70 - Step 4: Simplify right side
1,228,727,423.30x = 736,662,359,712,102,656 - Step 5: Solve for x
x = 736,662,359,712,102,656/1,228,727,423.30 - Step 6: Final answer
x = 599,532,773.30
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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.