Finding the Fourth Proportional to 988,297,131.84, 1,363,852,631.68 and 536,175,075.68
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Solution
The fourth proportional to 988,297,131.84, 1,363,852,631.68 and 536,175,075.68 is: 739,923,009.44
Step by Step Solution
- Step 1: Write the proportion equation
988,297,131.84 : 1,363,852,631.68 = 536,175,075.68 : x - Step 2: Convert to fraction form
988,297,131.84/1,363,852,631.68 = 536,175,075.68/x - Step 3: Cross multiply
988,297,131.84x = 1,363,852,631.68 × 536,175,075.68 - Step 4: Simplify right side
988,297,131.84x = 731,263,788,007,391,232 - Step 5: Solve for x
x = 731,263,788,007,391,232/988,297,131.84 - Step 6: Final answer
x = 739,923,009.44
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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.