Finding the Fourth Proportional to 1,581,135,376,715.40, 2,182,012,847,332.90 and 896,000,321,541.70
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Solution
The fourth proportional to 1,581,135,376,715.40, 2,182,012,847,332.90 and 896,000,321,541.70 is: 1,236,506,526,645.32
Step by Step Solution
- Step 1: Write the proportion equation
1,581,135,376,715.40 : 2,182,012,847,332.90 = 896,000,321,541.70 : x - Step 2: Convert to fraction form
1,581,135,376,715.40/2,182,012,847,332.90 = 896,000,321,541.70/x - Step 3: Cross multiply
1,581,135,376,715.40x = 2,182,012,847,332.90 × 896,000,321,541.70 - Step 4: Simplify right side
1,581,135,376,715.40x = 1,955,084,212,818,398,484,103,168 - Step 5: Solve for x
x = 1,955,084,212,818,398,484,103,168/1,581,135,376,715.40 - Step 6: Final answer
x = 1,236,506,526,645.32
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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.