Finding the Fourth Proportional to 1,645,785,886,084.20, 2,270,672,130,313.20 and 951,073,352,505.23
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Solution
The fourth proportional to 1,645,785,886,084.20, 2,270,672,130,313.20 and 951,073,352,505.23 is: 1,312,185,123,032.88
Step by Step Solution
- Step 1: Write the proportion equation
1,645,785,886,084.20 : 2,270,672,130,313.20 = 951,073,352,505.23 : x - Step 2: Convert to fraction form
1,645,785,886,084.20/2,270,672,130,313.20 = 951,073,352,505.23/x - Step 3: Cross multiply
1,645,785,886,084.20x = 2,270,672,130,313.20 × 951,073,352,505.23 - Step 4: Simplify right side
1,645,785,886,084.20x = 2,159,575,755,417,167,650,095,104 - Step 5: Solve for x
x = 2,159,575,755,417,167,650,095,104/1,645,785,886,084.20 - Step 6: Final answer
x = 1,312,185,123,032.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.