Finding the Fourth Proportional to 1,591,592,298.30, 2,196,421,392.96 and 913,521,411.99
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Solution
The fourth proportional to 1,591,592,298.30, 2,196,421,392.96 and 913,521,411.99 is: 1,260,673,335.98
Step by Step Solution
- Step 1: Write the proportion equation
1,591,592,298.30 : 2,196,421,392.96 = 913,521,411.99 : x - Step 2: Convert to fraction form
1,591,592,298.30/2,196,421,392.96 = 913,521,411.99/x - Step 3: Cross multiply
1,591,592,298.30x = 2,196,421,392.96 × 913,521,411.99 - Step 4: Simplify right side
1,591,592,298.30x = 2,006,477,972,221,861,888 - Step 5: Solve for x
x = 2,006,477,972,221,861,888/1,591,592,298.30 - Step 6: Final answer
x = 1,260,673,335.98
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.