Finding the Fourth Proportional to 1,457,875,177.74, 2,186,909,736.12 and 512,358,910.20
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Solution
The fourth proportional to 1,457,875,177.74, 2,186,909,736.12 and 512,358,910.20 is: 768,572,444.48
Step by Step Solution
- Step 1: Write the proportion equation
1,457,875,177.74 : 2,186,909,736.12 = 512,358,910.20 : x - Step 2: Convert to fraction form
1,457,875,177.74/2,186,909,736.12 = 512,358,910.20/x - Step 3: Cross multiply
1,457,875,177.74x = 2,186,909,736.12 × 512,358,910.20 - Step 4: Simplify right side
1,457,875,177.74x = 1,120,482,689,104,212,736 - Step 5: Solve for x
x = 1,120,482,689,104,212,736/1,457,875,177.74 - Step 6: Final answer
x = 768,572,444.48
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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.