Finding the Fourth Proportional to 1,587,525,454.68, 2,190,773,653.50 and 882,671,975.88
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Solution
The fourth proportional to 1,587,525,454.68, 2,190,773,653.50 and 882,671,975.88 is: 1,218,080,947.14
Step by Step Solution
- Step 1: Write the proportion equation
1,587,525,454.68 : 2,190,773,653.50 = 882,671,975.88 : x - Step 2: Convert to fraction form
1,587,525,454.68/2,190,773,653.50 = 882,671,975.88/x - Step 3: Cross multiply
1,587,525,454.68x = 2,190,773,653.50 × 882,671,975.88 - Step 4: Simplify right side
1,587,525,454.68x = 1,933,734,509,440,691,456 - Step 5: Solve for x
x = 1,933,734,509,440,691,456/1,587,525,454.68 - Step 6: Final answer
x = 1,218,080,947.14
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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.