Finding the Fourth Proportional to 1,267,019,226.18, 1,898,077,398.19 and 712,637,244.98
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Solution
The fourth proportional to 1,267,019,226.18, 1,898,077,398.19 and 712,637,244.98 is: 1,067,577,050.02
Step by Step Solution
- Step 1: Write the proportion equation
1,267,019,226.18 : 1,898,077,398.19 = 712,637,244.98 : x - Step 2: Convert to fraction form
1,267,019,226.18/1,898,077,398.19 = 712,637,244.98/x - Step 3: Cross multiply
1,267,019,226.18x = 1,898,077,398.19 × 712,637,244.98 - Step 4: Simplify right side
1,267,019,226.18x = 1,352,640,647,804,928,000 - Step 5: Solve for x
x = 1,352,640,647,804,928,000/1,267,019,226.18 - Step 6: Final answer
x = 1,067,577,050.02
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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.