Finding the Fourth Proportional to 1,857,831,567.90, 2,786,747,351.85 and 1,031,334,524.70
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Solution
The fourth proportional to 1,857,831,567.90, 2,786,747,351.85 and 1,031,334,524.70 is: 1,547,001,787.05
Step by Step Solution
- Step 1: Write the proportion equation
1,857,831,567.90 : 2,786,747,351.85 = 1,031,334,524.70 : x - Step 2: Convert to fraction form
1,857,831,567.90/2,786,747,351.85 = 1,031,334,524.70/x - Step 3: Cross multiply
1,857,831,567.90x = 2,786,747,351.85 × 1,031,334,524.70 - Step 4: Simplify right side
1,857,831,567.90x = 2,874,068,755,579,203,584 - Step 5: Solve for x
x = 2,874,068,755,579,203,584/1,857,831,567.90 - Step 6: Final answer
x = 1,547,001,787.05
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.