Finding the Fourth Proportional to 754,956,089.30, 1,132,434,133.95 and 209,702,969.30
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Solution
The fourth proportional to 754,956,089.30, 1,132,434,133.95 and 209,702,969.30 is: 314,554,453.95
Step by Step Solution
- Step 1: Write the proportion equation
754,956,089.30 : 1,132,434,133.95 = 209,702,969.30 : x - Step 2: Convert to fraction form
754,956,089.30/1,132,434,133.95 = 209,702,969.30/x - Step 3: Cross multiply
754,956,089.30x = 1,132,434,133.95 × 209,702,969.30 - Step 4: Simplify right side
754,956,089.30x = 237,474,800,425,988,960 - Step 5: Solve for x
x = 237,474,800,425,988,960/754,956,089.30 - Step 6: Final answer
x = 314,554,453.95
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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.