Finding the Fourth Proportional to 317,754,786.84, 476,631,480.40 and 84,585,551.08
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Solution
The fourth proportional to 317,754,786.84, 476,631,480.40 and 84,585,551.08 is: 126,878,140.32
Step by Step Solution
- Step 1: Write the proportion equation
317,754,786.84 : 476,631,480.40 = 84,585,551.08 : x - Step 2: Convert to fraction form
317,754,786.84/476,631,480.40 = 84,585,551.08/x - Step 3: Cross multiply
317,754,786.84x = 476,631,480.40 × 84,585,551.08 - Step 4: Simplify right side
317,754,786.84x = 40,316,136,431,710,216 - Step 5: Solve for x
x = 40,316,136,431,710,216/317,754,786.84 - Step 6: Final answer
x = 126,878,140.32
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.