Finding the Fourth Proportional to 697,629,744.84, 962,728,609.23 and 384,363,955.68
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Solution
The fourth proportional to 697,629,744.84, 962,728,609.23 and 384,363,955.68 is: 530,422,017.16
Step by Step Solution
- Step 1: Write the proportion equation
697,629,744.84 : 962,728,609.23 = 384,363,955.68 : x - Step 2: Convert to fraction form
697,629,744.84/962,728,609.23 = 384,363,955.68/x - Step 3: Cross multiply
697,629,744.84x = 962,728,609.23 × 384,363,955.68 - Step 4: Simplify right side
697,629,744.84x = 370,038,176,489,947,776 - Step 5: Solve for x
x = 370,038,176,489,947,776/697,629,744.84 - Step 6: Final answer
x = 530,422,017.16
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1.5x scale
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.