Finding the Fourth Proportional to 1,070,143,252.20, 1,603,301,690.70 and 917,088,244.20
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Solution
The fourth proportional to 1,070,143,252.20, 1,603,301,690.70 and 917,088,244.20 is: 1,373,992,808.37
Step by Step Solution
- Step 1: Write the proportion equation
1,070,143,252.20 : 1,603,301,690.70 = 917,088,244.20 : x - Step 2: Convert to fraction form
1,070,143,252.20/1,603,301,690.70 = 917,088,244.20/x - Step 3: Cross multiply
1,070,143,252.20x = 1,603,301,690.70 × 917,088,244.20 - Step 4: Simplify right side
1,070,143,252.20x = 1,470,369,132,446,954,496 - Step 5: Solve for x
x = 1,470,369,132,446,954,496/1,070,143,252.20 - Step 6: Final answer
x = 1,373,992,808.37
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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.