Finding the Fourth Proportional to 470,714,395.62, 706,173,736 and 143,181,396.12
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Solution
The fourth proportional to 470,714,395.62, 706,173,736 and 143,181,396.12 is: 214,803,163.80
Step by Step Solution
- Step 1: Write the proportion equation
470,714,395.62 : 706,173,736 = 143,181,396.12 : x - Step 2: Convert to fraction form
470,714,395.62/706,173,736 = 143,181,396.12/x - Step 3: Cross multiply
470,714,395.62x = 706,173,736 × 143,181,396.12 - Step 4: Simplify right side
470,714,395.62x = 101,110,941,423,756,304 - Step 5: Solve for x
x = 101,110,941,423,756,304/470,714,395.62 - Step 6: Final answer
x = 214,803,163.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.