Finding the Fourth Proportional to 2,115,732,798.94, 2,919,537,714.29 and 1,245,558,903.46
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Solution
The fourth proportional to 2,115,732,798.94, 2,919,537,714.29 and 1,245,558,903.46 is: 1,718,769,116.71
Step by Step Solution
- Step 1: Write the proportion equation
2,115,732,798.94 : 2,919,537,714.29 = 1,245,558,903.46 : x - Step 2: Convert to fraction form
2,115,732,798.94/2,919,537,714.29 = 1,245,558,903.46/x - Step 3: Cross multiply
2,115,732,798.94x = 2,919,537,714.29 × 1,245,558,903.46 - Step 4: Simplify right side
2,115,732,798.94x = 3,636,456,194,023,989,760 - Step 5: Solve for x
x = 3,636,456,194,023,989,760/2,115,732,798.94 - Step 6: Final answer
x = 1,718,769,116.71
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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.