Finding the Fourth Proportional to 832,896,161.20, 1,249,344,241.80 and 424,749,473.20
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Solution
The fourth proportional to 832,896,161.20, 1,249,344,241.80 and 424,749,473.20 is: 637,124,209.80
Step by Step Solution
- Step 1: Write the proportion equation
832,896,161.20 : 1,249,344,241.80 = 424,749,473.20 : x - Step 2: Convert to fraction form
832,896,161.20/1,249,344,241.80 = 424,749,473.20/x - Step 3: Cross multiply
832,896,161.20x = 1,249,344,241.80 × 424,749,473.20 - Step 4: Simplify right side
832,896,161.20x = 530,658,308,550,003,392 - Step 5: Solve for x
x = 530,658,308,550,003,392/832,896,161.20 - Step 6: Final answer
x = 637,124,209.80
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Similar ratio
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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.