Finding the Fourth Proportional to 766,370,509.80, 1,149,555,764.70 and 766,370,509.80
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Solution
The fourth proportional to 766,370,509.80, 1,149,555,764.70 and 766,370,509.80 is: 1,149,555,764.70
Step by Step Solution
- Step 1: Write the proportion equation
766,370,509.80 : 1,149,555,764.70 = 766,370,509.80 : x - Step 2: Convert to fraction form
766,370,509.80/1,149,555,764.70 = 766,370,509.80/x - Step 3: Cross multiply
766,370,509.80x = 1,149,555,764.70 × 766,370,509.80 - Step 4: Simplify right side
766,370,509.80x = 880,985,637,436,667,776 - Step 5: Solve for x
x = 880,985,637,436,667,776/766,370,509.80 - Step 6: Final answer
x = 1,149,555,764.70
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1.5x scale
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.