Finding the Fourth Proportional to 2,447,903,158.65, 3,378,226,130.24 and 1,376,543,671.11
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Solution
The fourth proportional to 2,447,903,158.65, 3,378,226,130.24 and 1,376,543,671.11 is: 1,899,697,617.82
Step by Step Solution
- Step 1: Write the proportion equation
2,447,903,158.65 : 3,378,226,130.24 = 1,376,543,671.11 : x - Step 2: Convert to fraction form
2,447,903,158.65/3,378,226,130.24 = 1,376,543,671.11/x - Step 3: Cross multiply
2,447,903,158.65x = 3,378,226,130.24 × 1,376,543,671.11 - Step 4: Simplify right side
2,447,903,158.65x = 4,650,275,799,153,416,192 - Step 5: Solve for x
x = 4,650,275,799,153,416,192/2,447,903,158.65 - Step 6: Final answer
x = 1,899,697,617.82
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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.