Finding the Fourth Proportional to 1,972,578,382.04, 2,959,291,617.78 and 573,586,962.68
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Solution
The fourth proportional to 1,972,578,382.04, 2,959,291,617.78 and 573,586,962.68 is: 860,503,747.88
Step by Step Solution
- Step 1: Write the proportion equation
1,972,578,382.04 : 2,959,291,617.78 = 573,586,962.68 : x - Step 2: Convert to fraction form
1,972,578,382.04/2,959,291,617.78 = 573,586,962.68/x - Step 3: Cross multiply
1,972,578,382.04x = 2,959,291,617.78 × 573,586,962.68 - Step 4: Simplify right side
1,972,578,382.04x = 1,697,411,090,726,813,696 - Step 5: Solve for x
x = 1,697,411,090,726,813,696/1,972,578,382.04 - Step 6: Final answer
x = 860,503,747.88
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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.