Finding the Fourth Proportional to 767,846,653.94, 1,060,360,206.58 and 726,014,857.92
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Solution
The fourth proportional to 767,846,653.94, 1,060,360,206.58 and 726,014,857.92 is: 1,002,592,458.75
Step by Step Solution
- Step 1: Write the proportion equation
767,846,653.94 : 1,060,360,206.58 = 726,014,857.92 : x - Step 2: Convert to fraction form
767,846,653.94/1,060,360,206.58 = 726,014,857.92/x - Step 3: Cross multiply
767,846,653.94x = 1,060,360,206.58 × 726,014,857.92 - Step 4: Simplify right side
767,846,653.94x = 769,837,264,722,385,408 - Step 5: Solve for x
x = 769,837,264,722,385,408/767,846,653.94 - Step 6: Final answer
x = 1,002,592,458.75
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1.5x scale
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.