Finding the Fourth Proportional to 1,347,639,290.64, 2,021,456,225.04 and 1,265,631,203.04
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Solution
The fourth proportional to 1,347,639,290.64, 2,021,456,225.04 and 1,265,631,203.04 is: 1,898,444,258.61
Step by Step Solution
- Step 1: Write the proportion equation
1,347,639,290.64 : 2,021,456,225.04 = 1,265,631,203.04 : x - Step 2: Convert to fraction form
1,347,639,290.64/2,021,456,225.04 = 1,265,631,203.04/x - Step 3: Cross multiply
1,347,639,290.64x = 2,021,456,225.04 × 1,265,631,203.04 - Step 4: Simplify right side
1,347,639,290.64x = 2,558,418,073,990,071,808 - Step 5: Solve for x
x = 2,558,418,073,990,071,808/1,347,639,290.64 - Step 6: Final answer
x = 1,898,444,258.61
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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.