Finding the Fourth Proportional to 1,837,169,937.30, 2,755,754,905.95 and 1,320,609,285.30
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Solution
The fourth proportional to 1,837,169,937.30, 2,755,754,905.95 and 1,320,609,285.30 is: 1,980,913,927.95
Step by Step Solution
- Step 1: Write the proportion equation
1,837,169,937.30 : 2,755,754,905.95 = 1,320,609,285.30 : x - Step 2: Convert to fraction form
1,837,169,937.30/2,755,754,905.95 = 1,320,609,285.30/x - Step 3: Cross multiply
1,837,169,937.30x = 2,755,754,905.95 × 1,320,609,285.30 - Step 4: Simplify right side
1,837,169,937.30x = 3,639,275,516,808,598,016 - Step 5: Solve for x
x = 3,639,275,516,808,598,016/1,837,169,937.30 - Step 6: Final answer
x = 1,980,913,927.95
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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.