Finding the Fourth Proportional to 1,432,134,329.19, 2,148,202,089.81 and 644,267,724.45
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Solution
The fourth proportional to 1,432,134,329.19, 2,148,202,089.81 and 644,267,724.45 is: 966,401,854.81
Step by Step Solution
- Step 1: Write the proportion equation
1,432,134,329.19 : 2,148,202,089.81 = 644,267,724.45 : x - Step 2: Convert to fraction form
1,432,134,329.19/2,148,202,089.81 = 644,267,724.45/x - Step 3: Cross multiply
1,432,134,329.19x = 2,148,202,089.81 × 644,267,724.45 - Step 4: Simplify right side
1,432,134,329.19x = 1,384,017,272,060,623,360 - Step 5: Solve for x
x = 1,384,017,272,060,623,360/1,432,134,329.19 - Step 6: Final answer
x = 966,401,854.81
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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.