Finding the Fourth Proportional to 1,299,962,618.04, 1,793,951,890.04 and 705,247,102.40
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Solution
The fourth proportional to 1,299,962,618.04, 1,793,951,890.04 and 705,247,102.40 is: 973,242,887.71
Step by Step Solution
- Step 1: Write the proportion equation
1,299,962,618.04 : 1,793,951,890.04 = 705,247,102.40 : x - Step 2: Convert to fraction form
1,299,962,618.04/1,793,951,890.04 = 705,247,102.40/x - Step 3: Cross multiply
1,299,962,618.04x = 1,793,951,890.04 × 705,247,102.40 - Step 4: Simplify right side
1,299,962,618.04x = 1,265,179,372,295,713,280 - Step 5: Solve for x
x = 1,265,179,372,295,713,280/1,299,962,618.04 - Step 6: Final answer
x = 973,242,887.71
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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.