Finding the Fourth Proportional to 559,982,117.70, 839,973,176.55 and 559,982,117.70
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Solution
The fourth proportional to 559,982,117.70, 839,973,176.55 and 559,982,117.70 is: 839,973,176.55
Step by Step Solution
- Step 1: Write the proportion equation
559,982,117.70 : 839,973,176.55 = 559,982,117.70 : x - Step 2: Convert to fraction form
559,982,117.70/839,973,176.55 = 559,982,117.70/x - Step 3: Cross multiply
559,982,117.70x = 839,973,176.55 × 559,982,117.70 - Step 4: Simplify right side
559,982,117.70x = 470,369,958,215,665,024 - Step 5: Solve for x
x = 470,369,958,215,665,024/559,982,117.70 - Step 6: Final answer
x = 839,973,176.55
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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.