Finding the Fourth Proportional to 1,553,431,071.99, 2,330,130,639.24 and 897,965,024.97
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Solution
The fourth proportional to 1,553,431,071.99, 2,330,130,639.24 and 897,965,024.97 is: 1,346,938,306.68
Step by Step Solution
- Step 1: Write the proportion equation
1,553,431,071.99 : 2,330,130,639.24 = 897,965,024.97 : x - Step 2: Convert to fraction form
1,553,431,071.99/2,330,130,639.24 = 897,965,024.97/x - Step 3: Cross multiply
1,553,431,071.99x = 2,330,130,639.24 × 897,965,024.97 - Step 4: Simplify right side
1,553,431,071.99x = 2,092,375,817,648,508,416 - Step 5: Solve for x
x = 2,092,375,817,648,508,416/1,553,431,071.99 - Step 6: Final answer
x = 1,346,938,306.68
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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.