Finding the Fourth Proportional to 2,771,781,274.43, 4,157,671,959.69 and 673,243,541.53
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Solution
The fourth proportional to 2,771,781,274.43, 4,157,671,959.69 and 673,243,541.53 is: 1,009,865,323.96
Step by Step Solution
- Step 1: Write the proportion equation
2,771,781,274.43 : 4,157,671,959.69 = 673,243,541.53 : x - Step 2: Convert to fraction form
2,771,781,274.43/4,157,671,959.69 = 673,243,541.53/x - Step 3: Cross multiply
2,771,781,274.43x = 4,157,671,959.69 × 673,243,541.53 - Step 4: Simplify right side
2,771,781,274.43x = 2,799,125,794,664,376,832 - Step 5: Solve for x
x = 2,799,125,794,664,376,832/2,771,781,274.43 - Step 6: Final answer
x = 1,009,865,323.96
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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.