Finding the Fourth Proportional to 2,975,352,772.92, 4,463,674,860.26 and 905,020,726.40
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Solution
The fourth proportional to 2,975,352,772.92, 4,463,674,860.26 and 905,020,726.40 is: 1,357,727,494.10
Step by Step Solution
- Step 1: Write the proportion equation
2,975,352,772.92 : 4,463,674,860.26 = 905,020,726.40 : x - Step 2: Convert to fraction form
2,975,352,772.92/4,463,674,860.26 = 905,020,726.40/x - Step 3: Cross multiply
2,975,352,772.92x = 4,463,674,860.26 × 905,020,726.40 - Step 4: Simplify right side
2,975,352,772.92x = 4,039,718,264,445,923,840 - Step 5: Solve for x
x = 4,039,718,264,445,923,840/2,975,352,772.92 - Step 6: Final answer
x = 1,357,727,494.10
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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.