Finding the Fourth Proportional to 796,969,812.08, 1,099,845,592.44 and 462,417,073.76
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Solution
The fourth proportional to 796,969,812.08, 1,099,845,592.44 and 462,417,073.76 is: 638,151,373.78
Step by Step Solution
- Step 1: Write the proportion equation
796,969,812.08 : 1,099,845,592.44 = 462,417,073.76 : x - Step 2: Convert to fraction form
796,969,812.08/1,099,845,592.44 = 462,417,073.76/x - Step 3: Cross multiply
796,969,812.08x = 1,099,845,592.44 × 462,417,073.76 - Step 4: Simplify right side
796,969,812.08x = 508,587,380,443,938,368 - Step 5: Solve for x
x = 508,587,380,443,938,368/796,969,812.08 - Step 6: Final answer
x = 638,151,373.78
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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.