Finding the Fourth Proportional to 1,179,937,209.10, 1,628,313,507.94 and 651,301,294.94
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Solution
The fourth proportional to 1,179,937,209.10, 1,628,313,507.94 and 651,301,294.94 is: 898,795,874.99
Step by Step Solution
- Step 1: Write the proportion equation
1,179,937,209.10 : 1,628,313,507.94 = 651,301,294.94 : x - Step 2: Convert to fraction form
1,179,937,209.10/1,628,313,507.94 = 651,301,294.94/x - Step 3: Cross multiply
1,179,937,209.10x = 1,628,313,507.94 × 651,301,294.94 - Step 4: Simplify right side
1,179,937,209.10x = 1,060,522,696,281,653,632 - Step 5: Solve for x
x = 1,060,522,696,281,653,632/1,179,937,209.10 - Step 6: Final answer
x = 898,795,874.99
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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.