Finding the Fourth Proportional to 1,708,447,630.99, 2,562,412,515.99 and 464,974,993.57
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Solution
The fourth proportional to 1,708,447,630.99, 2,562,412,515.99 and 464,974,993.57 is: 697,392,019.24
Step by Step Solution
- Step 1: Write the proportion equation
1,708,447,630.99 : 2,562,412,515.99 = 464,974,993.57 : x - Step 2: Convert to fraction form
1,708,447,630.99/2,562,412,515.99 = 464,974,993.57/x - Step 3: Cross multiply
1,708,447,630.99x = 2,562,412,515.99 × 464,974,993.57 - Step 4: Simplify right side
1,708,447,630.99x = 1,191,457,743,146,137,600 - Step 5: Solve for x
x = 1,191,457,743,146,137,600/1,708,447,630.99 - Step 6: Final answer
x = 697,392,019.24
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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.