Finding the Fourth Proportional to 1,708,447,623.93, 2,562,412,505.40 and 464,974,986.49
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Solution
The fourth proportional to 1,708,447,623.93, 2,562,412,505.40 and 464,974,986.49 is: 697,392,008.61
Step by Step Solution
- Step 1: Write the proportion equation
1,708,447,623.93 : 2,562,412,505.40 = 464,974,986.49 : x - Step 2: Convert to fraction form
1,708,447,623.93/2,562,412,505.40 = 464,974,986.49/x - Step 3: Cross multiply
1,708,447,623.93x = 2,562,412,505.40 × 464,974,986.49 - Step 4: Simplify right side
1,708,447,623.93x = 1,191,457,720,065,035,264 - Step 5: Solve for x
x = 1,191,457,720,065,035,264/1,708,447,623.93 - Step 6: Final answer
x = 697,392,008.61
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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.