Finding the Fourth Proportional to 1,698,987,621.24, 2,344,720,755.60 and 1,029,960,865.68
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Solution
The fourth proportional to 1,698,987,621.24, 2,344,720,755.60 and 1,029,960,865.68 is: 1,421,417,430.61
Step by Step Solution
- Step 1: Write the proportion equation
1,698,987,621.24 : 2,344,720,755.60 = 1,029,960,865.68 : x - Step 2: Convert to fraction form
1,698,987,621.24/2,344,720,755.60 = 1,029,960,865.68/x - Step 3: Cross multiply
1,698,987,621.24x = 2,344,720,755.60 × 1,029,960,865.68 - Step 4: Simplify right side
1,698,987,621.24x = 2,414,970,619,215,639,552 - Step 5: Solve for x
x = 2,414,970,619,215,639,552/1,698,987,621.24 - Step 6: Final answer
x = 1,421,417,430.61
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.