Finding the Fourth Proportional to 1,494,396,988.99, 2,239,651,147.52 and 608,049,404.82
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Solution
The fourth proportional to 1,494,396,988.99, 2,239,651,147.52 and 608,049,404.82 is: 911,282,983.90
Step by Step Solution
- Step 1: Write the proportion equation
1,494,396,988.99 : 2,239,651,147.52 = 608,049,404.82 : x - Step 2: Convert to fraction form
1,494,396,988.99/2,239,651,147.52 = 608,049,404.82/x - Step 3: Cross multiply
1,494,396,988.99x = 2,239,651,147.52 × 608,049,404.82 - Step 4: Simplify right side
1,494,396,988.99x = 1,361,818,547,255,547,136 - Step 5: Solve for x
x = 1,361,818,547,255,547,136/1,494,396,988.99 - Step 6: Final answer
x = 911,282,983.90
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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.