Finding the Fourth Proportional to 832,896,346.70, 1,249,344,520.05 and 424,749,658.70
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Solution
The fourth proportional to 832,896,346.70, 1,249,344,520.05 and 424,749,658.70 is: 637,124,488.05
Step by Step Solution
- Step 1: Write the proportion equation
832,896,346.70 : 1,249,344,520.05 = 424,749,658.70 : x - Step 2: Convert to fraction form
832,896,346.70/1,249,344,520.05 = 424,749,658.70/x - Step 3: Cross multiply
832,896,346.70x = 1,249,344,520.05 × 424,749,658.70 - Step 4: Simplify right side
832,896,346.70x = 530,658,658,489,952,768 - Step 5: Solve for x
x = 530,658,658,489,952,768/832,896,346.70 - Step 6: Final answer
x = 637,124,488.05
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Double scale
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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.