Finding the Fourth Proportional to 736,782,642.75, 1,103,412,103.31 and 424,944,852.99
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Solution
The fourth proportional to 736,782,642.75, 1,103,412,103.31 and 424,944,852.99 is: 636,401,113.19
Step by Step Solution
- Step 1: Write the proportion equation
736,782,642.75 : 1,103,412,103.31 = 424,944,852.99 : x - Step 2: Convert to fraction form
736,782,642.75/1,103,412,103.31 = 424,944,852.99/x - Step 3: Cross multiply
736,782,642.75x = 1,103,412,103.31 × 424,944,852.99 - Step 4: Simplify right side
736,782,642.75x = 468,889,294,028,454,656 - Step 5: Solve for x
x = 468,889,294,028,454,656/736,782,642.75 - Step 6: Final answer
x = 636,401,113.19
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1.5x scale
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.