Finding the Fourth Proportional to 1,889,572,215.70, 2,834,358,323.55 and 1,767,128,209.30
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Solution
The fourth proportional to 1,889,572,215.70, 2,834,358,323.55 and 1,767,128,209.30 is: 2,650,692,313.95
Step by Step Solution
- Step 1: Write the proportion equation
1,889,572,215.70 : 2,834,358,323.55 = 1,767,128,209.30 : x - Step 2: Convert to fraction form
1,889,572,215.70/2,834,358,323.55 = 1,767,128,209.30/x - Step 3: Cross multiply
1,889,572,215.70x = 2,834,358,323.55 × 1,767,128,209.30 - Step 4: Simplify right side
1,889,572,215.70x = 5,008,674,548,809,461,760 - Step 5: Solve for x
x = 5,008,674,548,809,461,760/1,889,572,215.70 - Step 6: Final answer
x = 2,650,692,313.95
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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.