Finding the Fourth Proportional to 756,397,581.36, 1,044,314,374.68 and 474,526,394.16
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Solution
The fourth proportional to 756,397,581.36, 1,044,314,374.68 and 474,526,394.16 is: 655,151,135.86
Step by Step Solution
- Step 1: Write the proportion equation
756,397,581.36 : 1,044,314,374.68 = 474,526,394.16 : x - Step 2: Convert to fraction form
756,397,581.36/1,044,314,374.68 = 474,526,394.16/x - Step 3: Cross multiply
756,397,581.36x = 1,044,314,374.68 × 474,526,394.16 - Step 4: Simplify right side
756,397,581.36x = 495,554,734,586,355,584 - Step 5: Solve for x
x = 495,554,734,586,355,584/756,397,581.36 - Step 6: Final answer
x = 655,151,135.86
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Double scale
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.