Finding the Fourth Proportional to 1,410,355,707.20, 2,115,533,560.80 and 837,046,779.20
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Solution
The fourth proportional to 1,410,355,707.20, 2,115,533,560.80 and 837,046,779.20 is: 1,255,570,168.80
Step by Step Solution
- Step 1: Write the proportion equation
1,410,355,707.20 : 2,115,533,560.80 = 837,046,779.20 : x - Step 2: Convert to fraction form
1,410,355,707.20/2,115,533,560.80 = 837,046,779.20/x - Step 3: Cross multiply
1,410,355,707.20x = 2,115,533,560.80 × 837,046,779.20 - Step 4: Simplify right side
1,410,355,707.20x = 1,770,800,553,357,147,392 - Step 5: Solve for x
x = 1,770,800,553,357,147,392/1,410,355,707.20 - Step 6: Final answer
x = 1,255,570,168.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.