Finding the Fourth Proportional to 6,457,538,757.68, 8,911,403,411.57 and 3,487,315,008.68
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Solution
The fourth proportional to 6,457,538,757.68, 8,911,403,411.57 and 3,487,315,008.68 is: 4,812,494,671.99
Step by Step Solution
- Step 1: Write the proportion equation
6,457,538,757.68 : 8,911,403,411.57 = 3,487,315,008.68 : x - Step 2: Convert to fraction form
6,457,538,757.68/8,911,403,411.57 = 3,487,315,008.68/x - Step 3: Cross multiply
6,457,538,757.68x = 8,911,403,411.57 × 3,487,315,008.68 - Step 4: Simplify right side
6,457,538,757.68x = 31,076,870,865,508,225,024 - Step 5: Solve for x
x = 31,076,870,865,508,225,024/6,457,538,757.68 - Step 6: Final answer
x = 4,812,494,671.99
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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.