Finding the Fourth Proportional to 1,889,572,272.30, 2,834,358,408.45 and 1,297,759,574.70
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Solution
The fourth proportional to 1,889,572,272.30, 2,834,358,408.45 and 1,297,759,574.70 is: 1,946,639,362.05
Step by Step Solution
- Step 1: Write the proportion equation
1,889,572,272.30 : 2,834,358,408.45 = 1,297,759,574.70 : x - Step 2: Convert to fraction form
1,889,572,272.30/2,834,358,408.45 = 1,297,759,574.70/x - Step 3: Cross multiply
1,889,572,272.30x = 2,834,358,408.45 × 1,297,759,574.70 - Step 4: Simplify right side
1,889,572,272.30x = 3,678,315,762,697,440,768 - Step 5: Solve for x
x = 3,678,315,762,697,440,768/1,889,572,272.30 - Step 6: Final answer
x = 1,946,639,362.05
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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.