Finding the Fourth Proportional to 576,315,637.74, 864,470,352.42 and 139,616,101.44
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Solution
The fourth proportional to 576,315,637.74, 864,470,352.42 and 139,616,101.44 is: 209,423,400.15
Step by Step Solution
- Step 1: Write the proportion equation
576,315,637.74 : 864,470,352.42 = 139,616,101.44 : x - Step 2: Convert to fraction form
576,315,637.74/864,470,352.42 = 139,616,101.44/x - Step 3: Cross multiply
576,315,637.74x = 864,470,352.42 × 139,616,101.44 - Step 4: Simplify right side
576,315,637.74x = 120,693,980,415,343,264 - Step 5: Solve for x
x = 120,693,980,415,343,264/576,315,637.74 - Step 6: Final answer
x = 209,423,400.15
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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.