Finding the Fourth Proportional to 1,345,417,958,193.80, 1,856,688,358,972.30 and 767,383,743,484.08
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Solution
The fourth proportional to 1,345,417,958,193.80, 1,856,688,358,972.30 and 767,383,743,484.08 is: 1,058,996,168,970.60
Step by Step Solution
- Step 1: Write the proportion equation
1,345,417,958,193.80 : 1,856,688,358,972.30 = 767,383,743,484.08 : x - Step 2: Convert to fraction form
1,345,417,958,193.80/1,856,688,358,972.30 = 767,383,743,484.08/x - Step 3: Cross multiply
1,345,417,958,193.80x = 1,856,688,358,972.30 × 767,383,743,484.08 - Step 4: Simplify right side
1,345,417,958,193.80x = 1,424,792,463,391,476,968,062,976 - Step 5: Solve for x
x = 1,424,792,463,391,476,968,062,976/1,345,417,958,193.80 - Step 6: Final answer
x = 1,058,996,168,970.60
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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.