Finding the Fourth Proportional to 1,055,408,406.24, 1,583,124,797.52 and 318,484,695.36
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Solution
The fourth proportional to 1,055,408,406.24, 1,583,124,797.52 and 318,484,695.36 is: 477,730,720.99
Step by Step Solution
- Step 1: Write the proportion equation
1,055,408,406.24 : 1,583,124,797.52 = 318,484,695.36 : x - Step 2: Convert to fraction form
1,055,408,406.24/1,583,124,797.52 = 318,484,695.36/x - Step 3: Cross multiply
1,055,408,406.24x = 1,583,124,797.52 × 318,484,695.36 - Step 4: Simplify right side
1,055,408,406.24x = 504,201,018,855,018,880 - Step 5: Solve for x
x = 504,201,018,855,018,880/1,055,408,406.24 - Step 6: Final answer
x = 477,730,720.99
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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.