Finding the Fourth Proportional to 1,723,590,907.32, 2,585,749,512.66 and 558,968,587.80
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Solution
The fourth proportional to 1,723,590,907.32, 2,585,749,512.66 and 558,968,587.80 is: 838,570,653.49
Step by Step Solution
- Step 1: Write the proportion equation
1,723,590,907.32 : 2,585,749,512.66 = 558,968,587.80 : x - Step 2: Convert to fraction form
1,723,590,907.32/2,585,749,512.66 = 558,968,587.80/x - Step 3: Cross multiply
1,723,590,907.32x = 2,585,749,512.66 × 558,968,587.80 - Step 4: Simplify right side
1,723,590,907.32x = 1,445,352,753,496,098,304 - Step 5: Solve for x
x = 1,445,352,753,496,098,304/1,723,590,907.32 - Step 6: Final answer
x = 838,570,653.49
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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.