Finding the Fourth Proportional to 1,372,694,309.37, 1,868,975,698.64 and 1,368,335,828.88
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Solution
The fourth proportional to 1,372,694,309.37, 1,868,975,698.64 and 1,368,335,828.88 is: 1,863,041,461.08
Step by Step Solution
- Step 1: Write the proportion equation
1,372,694,309.37 : 1,868,975,698.64 = 1,368,335,828.88 : x - Step 2: Convert to fraction form
1,372,694,309.37/1,868,975,698.64 = 1,368,335,828.88/x - Step 3: Cross multiply
1,372,694,309.37x = 1,868,975,698.64 × 1,368,335,828.88 - Step 4: Simplify right side
1,372,694,309.37x = 2,557,386,411,748,299,776 - Step 5: Solve for x
x = 2,557,386,411,748,299,776/1,372,694,309.37 - Step 6: Final answer
x = 1,863,041,461.08
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Why These Related Problems?
These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.